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Compounds containing at least one atom of francium
Francium compounds are compounds containing the element francium (Fr). Due to francium being very unstable, its salts are only known to a small extent
Francium_compounds
Chemical element with atomic number 87 (Fr)
Francium is a chemical element; it has symbol Fr and atomic number 87. It is extremely radioactive; its most stable isotope, francium-223 (originally
Francium
Chemical compound
Francium hydroxide is a hypothetical inorganic compound with a chemical formula FrOH. It is a hydroxide of francium. It probably can be produced by reacting
Francium_hydroxide
Chemical compound
Francium chloride is a radioactive chemical compound with the formula FrCl. It is a salt predicted to be a white solid and is soluble in water. Its properties
Francium_chloride
Group of highly reactive chemical elements
lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Together with hydrogen they constitute group 1, which lies in the
Alkali_metal
Theoretical chemical element with atomic number 119 (Uue)
Ununennium, also known as eka-francium or element 119, is a hypothetical chemical element; it has symbol Uue and atomic number 119. Ununennium and Uue
Ununennium
Chemical element with atomic number 84 (Po)
common compounds, and almost all of its compounds are synthetically created; more than 50 of those are known. The most stable class of polonium compounds are
Polonium
Chemical element with atomic number 17 (Cl)
manufacture of organic compounds, and 18% in the manufacture of inorganic chlorine compounds. About 15,000 chlorine compounds are used commercially. The
Chlorine
Chemical element with atomic number 19 (K)
for some ion-binding antibiotics. Potassium forms many binary compounds, i.e., compounds of potassium and one other element. The inventory is so extensive
Potassium
Chemical element with atomic number 80 (Hg)
compounds are always divalent and usually two-coordinate and linear geometry. Unlike organocadmium and organozinc compounds, organomercury compounds do
Mercury_(element)
Chemical element with atomic number 78 (Pt)
probably the most important platinum compound, as it serves as the precursor for many other platinum compounds. By itself, it has various applications
Platinum
Chemical element with atomic number 15 (P)
organic compounds containing the phosphate ion PO3−4 as a functional group. These include DNA, RNA, ATP, and phospholipids, complex compounds fundamental
Phosphorus
ZnF2, ZrF4 Francium oxide – Fr2O Francium chloride – FrCl Francium bromide – FrBr Francium iodide – FrI Francium carbonate – Fr2CO3 Francium hydroxide
List_of_inorganic_compounds
Chemical element with atomic number 3 (Li)
(which are sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr)), lithium has a single valence electron that, in the presence of solvents
Lithium
Chemical element with atomic number 50 (Sn)
(Sn(C4H9)3H). These compounds release transient tributyl tin radicals, which are rare examples of compounds of tin(III). Organotin compounds, sometimes called
Tin
Chemical element with atomic number 51 (Sb)
dissolves in concentrated acid to form oxoantimonyl compounds such as SbOCl and (SbO)2SO4. Compounds in this class generally are described as derivatives
Antimony
Chemical element with atomic number 74 (W)
number 74. It is a metal found naturally on Earth almost exclusively in compounds with other elements. It was identified as a distinct element in 1781 and
Tungsten
Compounds containing at least one radium atom
solutions when not at high pH. Category:Radium compounds Francium compounds Actinium compounds Barium compounds Kirby et al., p. 4 Kirby et al., p. 8 Kirby
Radium_compounds
Chemical element with atomic number 49 (In)
sphalerite and other zinc sulfide ores. Indium has no biological role and its compounds are toxic when inhaled or injected into the bloodstream, although they
Indium
Chemical element with atomic number 55 (Cs)
liquid near room temperature. The others are rubidium (39 °C [102 °F]), francium (estimated at 27 °C [81 °F]), mercury (−39 °C [−38 °F]), and gallium (30 °C
Caesium
Chemical element with atomic number 25 (Mn)
the oxides can adsorb organic acids and other compounds. The adsorption of the metals and organic compounds can then cause them to be oxidized while the
Manganese
Chemical element with atomic number 26 (Fe)
than Mohr's salt ((NH4)2Fe(SO4)2·6H2O). Iron(II) compounds tend to be oxidized to iron(III) compounds in the air. Iron is one of the elements undoubtedly
Iron
Chemical element with atomic number 20 (Ca)
involved the trend is reversed. In contrast to organomagnesium compounds, organocalcium compounds are not similarly useful, with one major exception, calcium
Calcium
Chemical element with atomic number 33 (As)
recognition of the persistent toxicity of arsenic and its compounds. Arsenic containing compounds have been known since ancient times to be poisonous to
Arsenic
Chemical element with atomic number 79 (Au)
the noble metals, it still forms many diverse compounds. The oxidation state of gold in its compounds ranges from −1 to +5, but Au(I) and Au(III) dominate
Gold
Chemical element with atomic number 98 (Cf)
Californium slowly tarnishes in air at room temperature. Californium compounds are dominated by the +3 oxidation state. The most stable of californium's
Californium
Chemical element with atomic number 67 (Ho)
Compounds and Alloys Under High Pressure A Handbook. p. 272. G. Meyer; Lester R. Morss, eds. (1991). Synthesis of Lanthanide and Actinide Compounds.
Holmium
Chemical element with atomic number 42 (Mo)
the chromium(III) compounds. The highest oxidation state is seen in molybdenum(VI) oxide (MoO3), whereas the normal sulfur compound is molybdenum disulfide
Molybdenum
Chemical element with atomic number 77 (Ir)
forms compounds in oxidation states between −3 and +9, but the most common oxidation states are +1, +2, +3, and +4. Well-characterized compounds containing
Iridium
Chemical element with atomic number 4 (Be)
reactions. Organometallic beryllium compounds are known to be highly reactive. Examples of known organoberyllium compounds are dineopentylberyllium, beryllocene
Beryllium
Chemical element with atomic number 16 (S)
compounds are odoriferous, and the smells of odorized natural gas, skunk scent, bad breath, grapefruit, and garlic are due to organosulfur compounds.
Sulfur
Chemical element with atomic number 5 (B)
The elemental form is not typically used as a precursor to compounds. Instead, boron compounds are produced from borates. When exposed to air, under normal
Boron
Chemical element with atomic number 56 (Ba)
calibrating pH equipment. Barium compounds burn with a green to pale green flame, which is an efficient test to detect a barium compound. The color results from
Barium
Chemical element with atomic number 24 (Cr)
manufacturers. Because chromium compounds were used in dyes, paints, and leather tanning compounds, these compounds are often found in soil and groundwater
Chromium
Chemical element with atomic number 40 (Zr)
tin. Zirconium forms a variety of inorganic compounds, such as zirconium dioxide, and organometallic compounds, such as zirconocene dichloride. Five isotopes
Zirconium
Chemical element with atomic number 73 (Ta)
of new Ta compounds. It hydrolyzes readily to an oxychloride. The lower halides TaX 4 and TaX 3, feature Ta-Ta bonds. Organotantalum compounds include pentamethyltantalum
Tantalum
Chemical element with atomic number 36 (Kr)
Until the 1960s no noble gas compounds had been synthesized. Following the first successful synthesis of xenon compounds in 1962, synthesis of krypton
Krypton
Tendency of an atom to attract a shared pair of electrons
however, no refinements have been made for francium as no experiment has been conducted. However, francium is expected and, to a small extent, observed
Electronegativity
Chemical element with atomic number 23 (V)
depends on pH. Vanadium(II) compounds are reducing agents, and vanadium(V) compounds are oxidizing agents. Vanadium(IV) compounds often exist as vanadyl derivatives
Vanadium
Chemical element with atomic number 32 (Ge)
oxidation state +4 although many +2 compounds are known. Other oxidation states are rare: +3 is found in compounds such as Ge2Cl6, and +3 and +1 are found
Germanium
Chemical element with atomic number 60 (Nd)
metals. Neodymium compounds were first commercially used as glass dyes in 1927 and remain a popular additive. The color of neodymium compounds comes from the
Neodymium
Chemical element with atomic number 13 (Al)
(a metalloid), which is in the same group: AlX3 compounds are valence isoelectronic to BX3 compounds (they have the same valence electronic structure)
Aluminium
Chemical element with atomic number 12 (Mg)
with polyphosphate compounds such as ATP, DNA, and RNA. Hundreds of enzymes require magnesium ions to function. Magnesium compounds are used medicinally
Magnesium
Chemical element with atomic number 76 (Os)
Na 2[Os(CO) 4], respectively; these reactive compounds are used to synthesize osmium cluster compounds. Another example of the −1 oxidation state of
Osmium
Chemical element with atomic number 37 (Rb)
(1973). The Chemistry of Lithium, Sodium, Potassium, Rubidium, Cesium and Francium. Pergamon. doi:10.1016/c2013-0-05695-2. ISBN 978-0-08-018799-0. Cotton
Rubidium
Chemical compound whose existence is predicted, but not confirmed
hypercubane). Some compounds of radioactive elements have never been synthesized due to their radioactive decay and short half-lives (e.g. francium hydroxide FrOH
Hypothetical chemical compound
Hypothetical_chemical_compound
Any chemical compound having at least one fluorine atom
element 99, have been checked except for astatine and francium, and fluorine is also known to form compounds with mendelevium, element 101, rutherfordium, element
Fluorine_compounds
Chemical element with atomic number 45 (Rh)
and insoluble compounds, as Rh)". CDC. Retrieved 21 November 2015. "NIOSH Pocket Guide to Chemical Hazards - Rhodium (soluble compounds, as Rh)". CDC
Rhodium
Chemical element with atomic number 46 (Pd)
Palladium compounds exist primarily in the 0 and +2 oxidation state. Other less common states are also recognized. Generally the compounds of palladium
Palladium
Chemical element with atomic number 41 (Nb)
oxidation states from +5 to −1, the most common compounds have niobium in the +5 state. Characteristically, compounds in oxidation states less than 5+ display
Niobium
Chemical element with atomic number 81 (Tl)
nuclear cardiac stress tests. Thallium(III) compounds resemble the corresponding aluminium(III) compounds. They are moderately strong oxidizing agents
Thallium
Chemical element with atomic number 7 (N)
and appears in the English names of some nitrogen compounds such as hydrazine, azides and azo compounds. Elemental nitrogen is usually produced from air
Nitrogen
Chemical element with atomic number 88 (Ra)
basic and does not form complexes readily. Most radium compounds are therefore simple ionic compounds, though participation from the 6s and 6p electrons (in
Radium
Chemical element with atomic number 57 (La)
them. Some lanthanum(II) compounds are also known, but they are much less stable. Therefore, in officially naming compounds of lanthanum its oxidation
Lanthanum
Chemical element with atomic number 31 (Ga)
hydrogen. Organogallium compounds are of similar reactivity to organoindium compounds, less reactive than organoaluminium compounds, but more reactive than
Gallium
Compounds that contain the element astatine (At)
Astatine compounds are compounds that contain the element astatine (At). As this element is very radioactive, few compounds have been studied. Less reactive
Astatine_compounds
Chemical element with atomic number 48 (Cd)
Bonding of Metal-rich Compounds. 2. Presence of Dimer (T–T)4– and Isolated T2– Anions in the Polar Intermetallic Cr5B3-Type Compounds AE5T3 (AE = Ca, Sr;
Cadmium
Chemical element with atomic number 6 (C)
completely ionic compounds. Organometallic compounds by definition contain at least one carbon-metal covalent bond. A wide range of such compounds exist; major
Carbon
Chemical element with atomic number 66 (Dy)
Elements and their Compounds. TAB Books. pp. 236–238. ISBN 978-0-8306-3018-9. Perry, D. L. (1995). Handbook of Inorganic Compounds. CRC Press. pp. 152–154
Dysprosium
Chemical element with atomic number 93 (Np)
organoneptunium compounds are the cyclopentadienyl and cyclooctatetraenyl compounds and their derivatives. The trivalent cyclopentadienyl compound Np(C5H5)3·THF
Neptunium
Chemical element with atomic number 47 (Ag)
to the antimicrobial action of silver. Silver compounds are taken up by the body like mercury compounds, but lack the toxicity of the latter. Silver and
Silver
Chemical element with atomic number 97 (Bk)
halogens, chalcogens and pnictogens to form various binary compounds. In 2025 an organometallic compound containing berkelium was synthesized from 0.3 mg of
Berkelium
Chemical element with atomic number 59 (Pr)
aqueous solution, although the +4 oxidation state is known in some solid compounds and, uniquely among the lanthanides, the +5 oxidation state is attainable
Praseodymium
Chemical element with atomic number 92 (U)
to 5%. However, soluble uranium compounds tend to quickly pass through the body, whereas insoluble uranium compounds, especially when inhaled by way of
Uranium
Chemical element with atomic number 64 (Gd)
no known native biological role, but its compounds are used as research tools in biomedicine. Gd3+ compounds are components of MRI contrast agents. It
Gadolinium
Chemical compound with formula NaCl
and chlorine. In 2013, compounds of sodium and chloride of different stoichiometries have been discovered; five new compounds were predicted (e.g., Na3Cl
Sodium_chloride
Potassium hydroxide (KOH) Rubidium hydroxide (RbOH) Caesium hydroxide (CsOH) Francium hydroxide (FrOH) Alkali hydroxides are formed in the reaction between alkali
Alkali_hydroxide
for research. Most stable isotope, 223Fr, has half-life of 22 minutes. Francium has no commercial or medical uses. Radium was historically used in the
Prices_of_chemical_elements
Chemical element with atomic number 83 (Bi)
"white mass", which were rendered as bisemutum or bisemutium. Bismuth compounds account for about half the global production of bismuth. They are used
Bismuth
Data values of standard electrode potential
Aleksandrovich (1970). Analytical chemistry of technetium, promethium, astatine and francium. Ann Arbor: Ann Arbor-Humphrey Science Publishers. p. 237. ISBN 0-250-39923-7
Standard electrode potential (data page)
Standard_electrode_potential_(data_page)
Chemical element with atomic number 39 (Y)
and sulfur all form binary compounds with yttrium at elevated temperatures. Organoyttrium chemistry is the study of compounds containing carbon–yttrium
Yttrium
Chemical element with atomic number 22 (Ti)
most common compound, titanium dioxide (TiO2), is a popular photocatalyst and is used in the manufacture of white pigments. Other compounds include titanium
Titanium
Chemical element with atomic number 71 (Lu)
oxide. The resulting compound is known to absorb water and carbon dioxide, and it may be used to remove vapors of these compounds from closed atmospheres
Lutetium
Chemical element with atomic number 53 (I)
characterised, such as the wine-red or bright orange compounds of ICl+ 2 and the dark brown or purplish black compounds of I2Cl+. Apart from these, some pseudohalides
Iodine
Chemical element with atomic number 30 (Zn)
(one of the few colored zinc compounds) are a few examples of other common inorganic compounds of zinc. Organozinc compounds are those that contain zinc–carbon
Zinc
Chemical element with atomic number 11 (Na)
23Na. The free metal does not occur in nature and must be prepared from compounds. Sodium is the sixth–most abundant element in the Earth's crust and exists
Sodium
Chemical element with atomic number 27 (Co)
and +3, although compounds with oxidation states ranging from −3 to +5 are also known. A common oxidation state for simple compounds is +2 (cobalt(II))
Cobalt
Chemical element with atomic number 85 (At)
the periodic table, only francium is less stable, and all the astatine isotopes more stable than the longest-lived francium isotopes (205–211At) are synthetic
Astatine
Promethium compounds are compounds containing the element promethium, which normally take the +3 oxidation state. Promethium belongs to the cerium group
Promethium_compounds
Chemical element with atomic number 14 (Si)
treatments, molding compounds, mold-release agents, mechanical seals, high temperature greases and waxes, and caulking compounds. Silicone is also sometimes
Silicon
Chemical element with atomic number 1 (H)
giving rise to the broad class of organic compounds often associated with living organisms. Hydrogen compounds with hydrogen in the oxidation state −1 are
Hydrogen
Chemical element with atomic number 38 (Sr)
as magnesium, and organomagnesium compounds are very commonly used throughout chemistry, organostrontium compounds are not similarly widespread because
Strontium
Group of low-reactive, gaseous chemical elements
with those of other elements to form compounds. However, it was later discovered some do indeed form compounds, causing this label to fall into disuse
Noble_gas
Method of visualizing the relationship between elements
such as methane. Hydrogen can form compounds with most elements and is present in water and most organic compounds. Helium (He) exists only as a gas except
Period_(periodic_table)
Chemical element with atomic number 29 (Cu)
green patina of compounds called verdigris. Copper is sometimes used in decorative art, both in its elemental metal form and in compounds as pigments. Copper
Copper
Chemical element with atomic number 9 (F)
nature, but is used in artificial compounds. Research in this area is usually driven by commercial applications; the compounds involved are diverse and reflect
Fluorine
Chemical element with atomic number 8 (O)
is −2 in almost all known compounds of oxygen. The oxidation state −1 is found in a few compounds such as peroxides. Compounds containing oxygen in other
Oxygen
Chemical element with atomic number 72 (Hf)
periodic table: 43 (technetium), 61 (promethium), 85 (astatine), and 87 (francium) are radioactive elements and are only present in trace amounts in the
Hafnium
Chemical element with atomic number 99 (Es)
measurements of solid einsteinium and its compounds are performed right after thermal annealing. Also, some compounds are studied under the atmosphere of the
Einsteinium
Chemical element with atomic number 82 (Pb)
organometallic compound, and is still widely used in fuel for small aircraft. Other organolead compounds are less chemically stable. For many organic compounds, a
Lead
Chemical element with atomic number 52 (Te)
as a gas during the hot nebular formation of Earth. Tellurium-bearing compounds were first discovered in 1782 in a gold mine in Kleinschlatten, Transylvania
Tellurium
Any element in row 7 of the periodic table
contains 32 elements, tied for the most with period 6, beginning with francium and ending with oganesson, the heaviest element currently discovered. As
Period_7_element
Tabular arrangement of the chemical elements
acidic and basic properties of the elements and their compounds, the stabilities of compounds, and methods of isolating the elements. Periodicity is
Periodic_table
Chemical element with atomic number 69 (Tm)
oxide, halides and other compounds. In aqueous solution, like compounds of other late lanthanides, soluble thulium compounds form coordination complexes
Thulium
Group of chemical elements
Interhalogen compounds are in the form of XYn where X and Y are halogens and n is one, three, five, or seven. Interhalogen compounds contain at most
Halogen
Chemical element with atomic number 90 (Th)
actinium (1227 °C) and protactinium (1568 °C). At the start of period 7, from francium to thorium, the melting points of the elements increase (as in other periods)
Thorium
(1970). Analytical Chemistry of Technetium, Promethium, Astatine, and Francium. Translated by R. Kondor. Ann Arbor–Humphrey Science Publishers. p. 269
Boiling points of the elements (data page)
Boiling_points_of_the_elements_(data_page)
Chemical element with atomic number 28 (Ni)
along with iron. The most common oxidation state of nickel is +2, but compounds of Ni0, Ni+, and Ni3+ are well known, and the exotic oxidation states
Nickel
(1970). Analytical Chemistry of Technetium, Promethium, Astatine, and Francium. Translated by R. Kondor. Ann Arbor–Humphrey Science Publishers. p. 269
Melting points of the elements (data page)
Melting_points_of_the_elements_(data_page)
Chemical compound
Astatine and Francium by Avgusta Konstantinovna. Lavrukhina, Aleksandr Aleksandrovich Pozdnyakov ISBN 0250399237 PubChem, "astatane - Compound Summary",
Hydrogen_astatide
FRANCIUM COMPOUNDS
FRANCIUM COMPOUNDS
Girl/Female
American, Australian, British, English, German, Latin
Frenchwoman; A Free Man
Female
English
Diminutive form of French Françoise, FRANCINE means "French."
Boy/Male
Hindu
Free, From france
Girl/Female
American, Australian, British, English, Latin
Free; From France; Modern Variants of Frances
Girl/Female
Latin English
From France or 'free one.' Feminine of Francis.
Surname or Lastname
English
English : variant spelling of Francis.
Girl/Female
Teutonic
Free.
Surname or Lastname
English
English : from the personal name Francis (Old French form Franceis, Latin Franciscus, Italian Francisco). This was originally an ethnic name meaning ‘Frank’ and hence ‘Frenchman’. The personal name owed much of its popularity during the Middle Ages to the fame of St. Francis of Assisi (1181–1226), whose baptismal name was actually Giovanni but who was nicknamed Francisco because his father was absent in France at the time of his birth. As an American family name this has absorbed cognates from several other European languages (for forms, see Hanks and Hodges 1988).Jewish (American) : an Americanization of one or more like-sounding Jewish surnames, or an adoption of the non-Jewish surname.
Girl/Female
French
meaning 'From France' or 'free one'.
Male
English
 English name derived from Latin Franciscus, FRANCIS means "French." This name is sometimes mistakenly given to girls instead of the identically pronounced feminine form, Frances.
Surname or Lastname
English (chiefly Bristol)
English (chiefly Bristol) : status name from the Anglo-Norman French feudal term franchomme ‘free man’ (see Free), composed of the elements franc ‘free’ (see Frank 2) + homme ‘man’ (Latin homo). The spelling has been altered as the result of folk etymological association with the common English place name endings -combe and -ham.
Boy/Male
Teutonic American Latin Shakespearean
Free.
Girl/Female
American, Christian, Danish, French, German, Indian, Latin
From France or Free One; Frenchwoman; Feminine of Francis
Boy/Male
Irish
The Irish form of Francis, a name originating from the figure of St. Francis of Assisi. The name means “â€little French manâ€â€ and was popularised in Ireland by the Franciscans whose founder was St. Francis of Assisi. The Celts would have been responsive to the stories of St. Francis’s attitude to birds and animals.
Girl/Female
Teutonic American French Latin
Free.
Girl/Female
English
Modern variants of Frances meaning From France or free one.
Female
Hungarian
Pet form of Hungarian Franciska, FRANCI means "French."
Girl/Female
American, Australian, British, English
Free; From France; Modern Variants of Frances
Girl/Female
Australian, Dutch, French, Netherlands
From France; Free One; Similar to Frances
Surname or Lastname
English
English : variant spelling of Francom.
FRANCIUM COMPOUNDS
FRANCIUM COMPOUNDS
Girl/Female
Muslim
Girl/Female
Arabic
Good News
Boy/Male
Indian, Malayalam
Peaceful; Peace
Boy/Male
Christian & English(British/American/Australian)
Little Deer
Female
Finnish
Finnish name RAUHA means "peace."
Girl/Female
Muslim
Ear ring
Boy/Male
American, Australian, British, Danish, English, Finnish, French, German, Scandinavian
Farmer; The Fictional Character Jorel Father of Superman; Earth Worker
Girl/Female
English
Maiden.
Female
Cornish
, escape, fly; alive; or, small water.
Female
Hawaiian
Hawaiian name AOLANI means "heavenly cloud."
FRANCIUM COMPOUNDS
FRANCIUM COMPOUNDS
FRANCIUM COMPOUNDS
FRANCIUM COMPOUNDS
FRANCIUM COMPOUNDS
n.
The skull of an animal; especially, that part of the skull, either cartilaginous or bony, which immediately incloses the brain; the brain case or brainpan. See Skull.
n.
The bones which inclose the brain; the skull; the cranium.
a.
Pertaining to, resembling, or containing uranium; specifically, designating those compounds in which uranium has a valence relatively higher than in uranous compounds.
n.
A surgical instrument for separating the pericranium from the cranium.
pl.
of Cranium
a.
Of or pertaining to the cranium.
n.
An element of the chromium group, found in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel-white metal which is quite permanent. Its yellow oxide is used to impart to glass a delicate greenish-yellow tint which is accompanied by a strong fluorescence, and its black oxide is used as a pigment in porcelain painting. Symbol U. Atomic weight 239.
a.
Belonging to the Order of St. Francis of the Franciscans.
n.
The periosteum which covers the cranium externally; the region around the cranium.
n.
The contents of the cranium; the brain.
a.
Situated under, or on the ventral side of, the cranium; facial.
a.
Pertaining to the Franks, or their language; Frankish.
pl.
of Cranium
n.
Scientific examination of the cranium.
n.
The radical UO2, conveniently regarded as a residue of many uranium compounds.
a.
Within the cranium or skull.
a.
Of or pertaining to uranium; containing uranium.
n.
The bony cranium, as distinguished from the cartilaginous cranium.
a.
Situated above, or in the roof of, the cranium.
a.
Pertaining to, or containing, uranium; designating those compounds in which uranium has a lower valence as contrasted with the uranic compounds.