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Tabular arrangement of the chemical elements
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns
Periodic_table
Set of adjacent groups
A block of the periodic table is a set of elements unified by the atomic orbitals their valence electrons or vacancies lie in. The term seems to have been
Block_(periodic_table)
Column of elements in the periodic table of the chemical elements
a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the 14 f-block columns, between
Group_(periodic_table)
Development of the table of chemical elements
The periodic table is an arrangement of the chemical elements, structured by their atomic number, electron configuration and recurring chemical properties
History_of_the_periodic_table
Periodic table of the elements with eight or more periods
Extended periodic table Element 119 (Uue, marked here) in period 8 (row 8) marks the start of theorisations. An extended periodic table theorizes about
Extended_periodic_table
Different forms of the table of elements
the periodic law in 1871, and published an associated periodic table of chemical elements, authors have experimented with varying types of periodic tables
Types_of_periodic_tables
Method of visualizing the relationship between elements
A period on the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period
Period_(periodic_table)
Chemical element with atomic number 2 (He)
non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements, and it does
Helium
Chemical element with atomic number 1 (H)
45 (3) 030001. doi:10.1088/1674-1137/abddae. "Element: Hydrogen". Periodic table. Retrieved 21 January 2026. NAAP Labs (2009). "Energy Levels". University
Hydrogen
visualisation of all 118 elements is the periodic table of the elements, whose history along the principles of the periodic law was one of the founding developments
List_of_chemical_elements
Topics referred to by the same term
Look up periodic table in Wiktionary, the free dictionary. The periodic table is a tabular arrangement of the chemical elements. Periodic table may also
Periodic table (disambiguation)
Periodic_table_(disambiguation)
Chemical element with atomic number 7 (N)
Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe
Nitrogen
Chemical element with atomic number 6 (C)
valence shell exhibiting 4 electrons. It belongs to group 14 of the periodic table. Carbon makes up about 0.025 percent of Earth's crust. Three isotopes
Carbon
Specific recurring patterns that are present in the modern periodic table
In chemistry, periodic trends are specific patterns present in the periodic table that illustrate different aspects of certain elements when grouped by
Periodic_trends
Crystalline structure for solid elements
This articles gives the crystalline structures of the elements of the periodic table which have been produced in bulk at STP and at their melting point (while
Periodic table (crystal structure)
Periodic_table_(crystal_structure)
Arrangement of information or data, typically in rows and columns
table) Logic (Truth table) In natural sciences, uses of tables include the periodic table in chemistry, and tide tables in oceanography. The periodic
Table_(information)
Chemical element with atomic number 3 (Li)
binding energy per nucleon (compared to the neighboring elements on the periodic table, helium and beryllium); lithium is the only low numbered element that
Lithium
Chemical element with atomic number 5 (B)
the original on 10 March 2020. Retrieved 30 June 2017. Boron at The Periodic Table of Videos (University of Nottingham) J. B. Calvert: Boron, 2004, private
Boron
Book by Primo Levi
The Periodic Table (Italian: Il sistema periodico) is a 1975 short story collection by Primo Levi, named after the periodic table in chemistry. In 2006
The Periodic Table (short story collection)
The_Periodic_Table_(short_story_collection)
Russian chemist (1834–1907)
chemist known for formulating the periodic law and creating a version of the periodic table of elements. He used the periodic law not only to correct the then-accepted
Dmitri_Mendeleev
2010 book by Sam Kean
True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements, is a 2010 book by science reporter Sam Kean. The book
The_Disappearing_Spoon
YouTube channel by Brady Haran and Martyn Poliakoff
Periodic Videos (also known as The Periodic Table of Videos) is a video project and YouTube channel on chemistry. It consists of a series of videos about
Periodic_Videos
Combining capacity of elements with other atoms
Die modernen Theorien der Chemie, contained an early version of the periodic table containing 28 elements, for the first time classified elements into
Valence_(chemistry)
Chemical element with atomic number 4 (Be)
June 2016 at the Wayback Machine MSDS: ESPI Metals Beryllium at The Periodic Table of Videos (University of Nottingham) National Institute for Occupational
Beryllium
Type of material
between 40 and 170 thousand times atmospheric. When discussing the periodic table and some chemical properties, the term metal is often used to denote
Metal
Analysis of animal behaviour
called the "periodic table of life sciences," is that it highlights gaps in knowledge, analogous to the role played by the periodic table of elements
Tinbergen's_four_questions
Number of protons found in the nucleus of an atom
its new periodic table on the nuclear charge number and in 1923 the International Committee on Chemical Elements followed suit. The periodic table of elements
Atomic_number
Project to classify Fano varieties
The periodic table of mathematical shapes is the popular name given to a project to classify Fano varieties. The project was devised by Professor Alessio
Periodic_table_of_shapes
Principle of atomic physics
electrons are replaced by the symbol for the last previous noble gas in the periodic table, placed in square brackets. For zinc, the last previous noble gas is
Aufbau_principle
Body composition elements
Retrieved 19 June 2016. Toeniskoetter S (2020). "Ruthenium". Biochemical Periodic Table. Fratoddi I, Venditti I, Cametti C, Russo MV (2015). "How toxic are
Composition_of_the_human_body
American science author
he assembled them into a four-legged physical table representing the periodic table. The finished table was awarded the 2011 ACS Grady Stack Award for
Theodore_Gray
Russian-American physicist (born 1963)
chiral central charge. His "periodic table for topological insulators and superconductors" uses K-theory and Bott periodicity to classify gapped free-fermion
Alexei_Kitaev
Indication of topological symmetry groups to topological condensed matter
The periodic table of topological insulators and topological superconductors, also called tenfold classification of topological insulators and superconductors
Periodic table of topological insulators and topological superconductors
Periodic_table_of_topological_insulators_and_topological_superconductors
List of history of chemical elements
explanation given in the notes. History of the periodic table Periodic table Extended periodic table The Mystery of Matter: Search for the Elements (2014/2015
Timeline of chemical element discoveries
Timeline_of_chemical_element_discoveries
Comparison of the properties of the three main categories in the periodic table
subdivided into several different categories. From left to right in the periodic table, these categories include the highly reactive alkali metals; the less-reactive
Properties of metals, metalloids and nonmetals
Properties_of_metals,_metalloids_and_nonmetals
atoms) was Dmitri Mendeleev's development of the first modern periodic table, or the periodic classification of the elements. Mendeleev, a Russian chemist
History_of_chemistry
Scientific study of matter's behavior and properties
the periodic table, which orders elements by atomic number. The periodic table is arranged in groups, or columns, and periods, or rows. The periodic table
Chemistry
Graph of neutrons vs. protons in nuclides
insight into the characteristics of isotopes than the better-known periodic table, which shows only elements and not their isotopes. The chart of the
Table_of_nuclides
Interactive table in Vietnamese English-Chinese periodic table of elements The Chinese Periodic Table: A Rosetta Stone for Understanding the Language
Chemical elements in East Asian languages
Chemical_elements_in_East_Asian_languages
Elements predicted but not found in 1869
Dmitri Mendeleev published a periodic table of the chemical elements in 1869 based on properties that appeared with some regularity as he laid out the
Mendeleev's predicted elements
Mendeleev's_predicted_elements
unconfirmed discoveries and all seven periods (rows) of the periodic table are completed. v t e Periodic table Primordial From decay Synthetic Border shows natural
Naming_of_chemical_elements
Category of metallic elements
The metallic elements in the periodic table located between the transition metals to their left and the chemically weak nonmetallic metalloids to their
Post-transition_metal
Armenian and Russian nuclear physicist (born 1933)
discovery of elements 113 to 118, completing the seventh row of the periodic table. The technique involved bombarding calcium into targets containing heavier
Yuri_Oganessian
Chemical substance not composed of simpler ones
which the columns ("groups") share recurring ("periodic") physical and chemical properties. The periodic table summarizes various properties of the elements
Chemical_element
advancements that happened later in the 19th century: the development of the periodic table and the discovery that molecules have an internal architecture that
History_of_atomic_theory
Tendency of an atom to attract a shared pair of electrons
get a rough qualitative idea and understanding of a molecule. v t e Periodic table of electronegativity by Pauling scale → Atomic radius decreases → Ionization
Electronegativity
Mode of arrangement of electrons in different shells of an atom
of different atoms is useful in understanding the structure of the periodic table of elements, for describing the chemical bonds that hold atoms together
Electron_configuration
Hobby of collecting samples of the chemical elements
reminder of the enormous effort of all the beautiful minds behind the periodic table and element discovery,” he says, adding that it's thrilling to see the
Element_collecting
Mendeleev, following the atomic theory of John Dalton, created the first periodic table of elements. In physics, the experiments, theories and discoveries of
19th_century_in_science
British chemist (born 1947)
the narrator in most of a series of over 600 short videos called The Periodic Table of Videos, a popular science project produced by Brady Haran, originally
Martyn_Poliakoff
Australian-British YouTuber and journalist (born 1976)
their work. Started in June 2008, Periodic Videos is a series of videos about chemical elements and the periodic table. Working with Professor Martyn Poliakoff
Brady_Haran
Function describing an electron in an atom
atomic orbitals. The repeating periodicity of blocks of 2, 6, 10, and 14 elements within sections of the periodic table arises naturally from the total
Atomic_orbital
and f-blocks are quite irrelevant chemically. The construction of the periodic table ignores these irregularities and is based on ideal electron configurations
Periodic table (electron configurations)
Periodic_table_(electron_configurations)
Chemical element with atomic number 118 (Og)
elements in the periodic table. Oganesson has the highest atomic number and highest atomic mass of all known elements. On the periodic table of the elements
Oganesson
British comic by Jon Link and Mick Bunnage
severed by people playing frisbee A creation inspired by the Periodic Table, The Periodic Table of Swearing design was featured in the 2011 book Information
Modern_Toss
Sequence of organic compounds with similar chemical properties
+ 2. On the periodic table, homologous elements share many electrochemical properties and appear in the same group (column) of the table. For example
Homologous_series
Six noble, precious metallic elements clustered together in the periodic table
are six noble, precious metallic elements clustered together in the periodic table. These elements are all transition metals in the d-block (groups 8,
Platinum_group
Chemical element with atomic number 47 (Ag)
chemical properties to its two vertical neighbours in group 11 of the periodic table: copper, and gold. Its 47 electrons are arranged in the configuration
Silver
Development of classes and classifications
suggested by the Periodic Table of Elements. A focus on the rational and historical basis of the development of the Periodic Table had made the received
Taxonomy
Series of chemical elements
metals in the periodic table In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3
Transition_metal
Group of highly reactive chemical elements
hydrogen they constitute group 1, which lies in the s-block of the periodic table. All alkali metals have their outermost electron in an s-orbital: this
Alkali_metal
Smallest unit of a chemical element
number") was found to be equal to the element's ordinal number on the periodic table and therefore provided a simple and clear-cut way of distinguishing
Atom
1938 achievement in physics
the periodic table, while the loss of two beta particles restored it to its original position. In the resulting reorganisation of the periodic table, radium
Discovery_of_nuclear_fission
Chemical element with atomic number 117 (Ts)
known elements, and is the penultimate element of the 7th period of the periodic table. It is named after the U.S. state or region of Tennessee where key research
Tennessine
Charts of molecules
Periodic systems of molecules are charts of molecules similar to the periodic table of the elements. Construction of such charts was initiated in the
Periodic systems of small molecules
Periodic_systems_of_small_molecules
Chemical data page
the element neon (Ne), the last noble gas before phosphorus in the periodic table. The valence electrons (here 3s2 3p3) are written explicitly for all
Electron configurations of the elements
Electron_configurations_of_the_elements
Term used for certain metallic elements
with low densities. For example, rubidium in group (column) 1 of the periodic table has an atomic number of 37, but a density of only 1.532 g/cm3, which
Heavy_metals
Chemical element with atomic number 115 (Mc)
isotope, moscovium-290, has a half-life of only 0.65 seconds. In the periodic table, it is a p-block transactinide element. It is a member of the 7th period
Moscovium
Chemical element with metallic and nonmetallic properties
classified: carbon, aluminium, selenium, polonium and astatine. On a standard periodic table, all eleven elements are in a diagonal region of the p-block extending
Metalloid
three-dimensional version of the periodic table of the elements. John Newlands proposes the law of octaves, a precursor to the periodic law. Lothar Meyer develops
Timeline_of_chemistry
Inner-shell electron of an atom
number of valence electrons of an element can be determined by the periodic table group of the element (see valence electron): For main-group elements
Core_electron
Group of chemical elements in the periodic table
Group 8 is a group (column) of chemical elements in the periodic table. It consists of iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). "Group
Group_8_element
Chemical element with atomic number 10 (Ne)
symbol Ne and the atomic number 10. It is the second noble gas in the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions
Neon
Chemical element with atomic number 18 (Ar)
element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third most abundant gas in Earth's
Argon
Chemical element with atomic number 32 (Ge)
predicted its existence and some of its properties from its position on his periodic table, and called the element ekasilicon. On February 6, 1886, Clemens Winkler
Germanium
Chemical element with atomic number 93 (Np)
ductile, radioactive actinide metal (all actinides are metals). In the periodic table, it is located to the right of the actinide uranium, to the left of
Neptunium
Natural number
element of the periodic table and the most abundant element in the known universe, has an atomic number of 1. Group 1 of the periodic table consists of hydrogen
1
Theories of quantum chemistry explained via relativistic mechanics
properties and structure, especially for the heavier elements of the periodic table. A prominent example is an explanation for the color of gold: due to
Relativistic quantum chemistry
Relativistic_quantum_chemistry
Italian Holocaust survivor and writer (1919–1987)
in the Auschwitz concentration camp in Nazi-occupied Poland; and The Periodic Table (1975), a collection of mostly autobiographical short stories, each
Primo_Levi
Principal energy levels in atomic physics
used in X-ray notation (K, L, M, ...). Each period on the conventional periodic table of elements represents an electron shell. Each shell can contain only
Electron_shell
Chemical element with atomic number 43 (Tc)
of only two radioactive elements both preceded and succeeded in the periodic table by elements with stable forms, the other being promethium. All available
Technetium
American animated television series
Dexter's Laboratory is an American animated science fiction television series created by Genndy Tartakovsky for Cartoon Network. The series follows Dexter
Dexter's_Laboratory
Chemical element with atomic number 90 (Th)
silvery radioactive actinide metal that can be bent or shaped. In the periodic table, it lies to the right of actinium, to the left of protactinium, and
Thorium
French engineer (1849–1932)
director, inventor and biologist. He is also known for his left-step periodic table of chemical elements. Janet graduated from the École Centrale Paris
Charles_Janet
Chemical element with atomic number 39 (Y)
yttrium resembles those elements more closely than its neighbor in the periodic table, scandium, and if physical properties were plotted against atomic number
Yttrium
Chemical element with atomic number 87 (Fr)
seen. Because of the general appearance of the other elements in its periodic table column, it is presumed that francium would appear as a highly reactive
Francium
Chemical element with atomic number 67 (Ho)
reactors. Holmium is the eleventh member of the lanthanide series. In the periodic table, it appears in period 6, between the lanthanides dysprosium to its left
Holmium
Chemical element with atomic number 84 (Po)
metallic character resembles that of its horizontal neighbours in the periodic table: thallium, lead, and bismuth. Due to the short half-life of all its
Polonium
Theoretical chemical element with atomic number 119 (Uue)
discovered, confirmed, and a permanent name is decided upon. In the periodic table of the elements, it is expected to be an s-block element, an alkali
Ununennium
Chemical element with atomic number 11 (Na)
reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23Na. The free metal does not occur in nature
Sodium
Topics referred to by the same term
periodically Periodic mapping Periodic table of chemical elements Periodic trends, relative characteristics of chemical elements observed Redshift periodicity, astronomical
Periodicity
Metallic elements that are nearly chemically inert
publication in 1869 of the first (eventually) widely accepted periodic table, Odling published a table in 1864, in which the "noble metals" rhodium, ruthenium
Noble_metal
Energy release on formation of anions
= ΔE(detach) = −ΔE(attach). Although Eea varies greatly across the periodic table, some patterns emerge. Generally, nonmetals have more positive Eea than
Electron_affinity
Group of chemical elements
Group 3 is the first group of transition metals in the periodic table. This group is closely related to the rare-earth elements. It contains the four elements
Group_3_element
Chemical element with atomic number 50 (Sn)
in tin crystals. Tin is a post-transition metal in group 14 of the periodic table of elements. It is obtained chiefly from the mineral cassiterite, which
Tin
Atoms of the same element, but different mass
atomic number (number of protons in their nuclei) and position in the periodic table (and hence belong to the same chemical element), but different nucleon
Isotope
time. The chemist Dmitri Mendeleev is said to have invented the modern periodic table in a dream "where all the elements fell into place as required." Mendeleev
List_of_works_based_on_dreams
Chemical elements with atomic numbers from 104 to 120
Superheavy elements in the periodic table Z ≥ 104 (Rf) Superheavy elements, also known as transactinide elements, transactinides, or super-heavy elements
Superheavy_element
Electron in the outer shell of an atom's energy levels
number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized. In groups
Valence_electron
"Learn a Chemistry Mnemonic for Periodic Table Symbols". ThoughtCo. Retrieved 2025-02-01. "ASTERIX & THE PERIODIC TABLE – Nicolas DIETRICH's Personal Website"
List_of_chemistry_mnemonics
PERIODIC TABLE
PERIODIC TABLE
Female
Hebrew
(דּï‹×¨Ö´×™×ª) Hebrew name DORIT means "generation" or "period of time."
Boy/Male
Hindu, Indian
Sahadev's Name During Hiding Period
Girl/Female
Indian
Circumstance, Period of life, Wick, Condition, Degree
Girl/Female
Bengali, Hindu, Indian, Kannada, Sindhi
Period of Twilight
Girl/Female
Tamil
Circumstance, Period of life, Wick, Condition, Degree
Boy/Male
Anglo, Australian, British, English
Name of a King; A Stream of Praise; A Period of Time
Girl/Female
Tamil
Period of twilight
Girl/Female
Afghan, Arabic, Hebrew, Muslim
Chosen; Happy; Name of First Lady Ruler of Medieval Period
Girl/Female
Hindu
Hundred years, It means a period of years century
Boy/Male
Gujarati, Hindu, Indian, Kannada, Tamil
Smart One; Creative and Active; Lived in North America During the Cretaceous Period
Girl/Female
American, Finnish, Hindu, Indian, Japanese
Long Period of Time; Wind; Air
Boy/Male
Australian, Farsi, Vietnamese
Accomplished; To Attain; To Achieve; Period of Time; Age; Life
Girl/Female
Hindu
Hundred years, It means a period of years century
Boy/Male
Finnish, Hindu, Indian
Hindu Period of a Year
Girl/Female
Indian, Indonesian, Italian
Gift of God; Periodic
Girl/Female
Tamil
Shatabdee | ஷதாபà¯à®¤à¯€
Hundred years, It means a period of years century
Shatabdee | ஷதாபà¯à®¤à¯€
Girl/Female
Indian, Sanskrit
Period of 100 Years; Century
Girl/Female
Tamil
Shatabdi | ஷதாபà¯à®¤à¯€
Hundred years, It means a period of years century
Shatabdi | ஷதாபà¯à®¤à¯€
Boy/Male
Arabic, Muslim
Period
Boy/Male
Muslim
Period
PERIODIC TABLE
PERIODIC TABLE
Girl/Female
Hindu, Indian, Marathi
Excellent; Happiness
Male
English
Middle English form of French Pierres, PIERS means "rock, stone."
Boy/Male
Hindu, Indian, Malayalam, Sanskrit, Tamil, Telugu
Year; God of Rain
Girl/Female
American, Australian, Chinese, Christian, German
Fragrant Flower; Jasmine
Girl/Female
Tamil
Awakening, Love
Surname or Lastname
English (Sussex)
English (Sussex) : topographic name for someone living by a highway, in particular a Roman road (see Street).
Boy/Male
Hindu
Boy/Male
Arabic, Australian, German, Hebrew
Handsome
Boy/Male
Biblical
The poor of the Lord.
Boy/Male
Hindu, Indian, Malayalam, Marathi
Friendly
PERIODIC TABLE
PERIODIC TABLE
PERIODIC TABLE
PERIODIC TABLE
PERIODIC TABLE
n. pl.
Alt. of Perioecians
n.
A stated and recurring interval of time; more generally, an interval of time specified or left indefinite; a certain series of years, months, days, or the like; a time; a cycle; an age; an epoch; as, the period of the Roman republic.
a.
Of or pertaining to a period; constituting a complete sentence.
a.
Alt. of Periodical
n.
A portion of time as limited and determined by some recurring phenomenon, as by the completion of a revolution of one of the heavenly bodies; a division of time, as a series of years, months, or days, in which something is completed, and ready to recommence and go on in the same order; as, the period of the sun, or the earth, or a comet.
n.
An iodide containing a higher proportion of iodine than any other iodide of the same substance or series.
a.
Of or pertaining to the periople; connected with the periople.
a.
Happening, by revolution, at a stated time; returning regularly, after a certain period of time; acting, happening, or appearing, at fixed intervals; recurring; as, periodical epidemics.
a.
Performed in a period, or regular revolution; proceeding in a series of successive circuits; as, the periodical motion of the planets round the sun.
a.
Surrounding, or pertaining to the region surrounding, the internal ear; as, the periotic capsule.
n.
A periotic bone.
v. i.
To come to a period; to conclude. [Obs.] "You may period upon this, that," etc.
n.
A salt of periodic acid.
n.
One of the great divisions of geological time; as, the Tertiary period; the Glacial period. See the Chart of Geology.
a.
Pertaining to, derived from, or designating, the highest oxygen acid (HIO/) of iodine.
a.
Of or pertaining to a period or periods, or to division by periods.
a.
Related to, or formed from, pyridin or its homologues; as, the pyridic bases.