the periodic law in 1871, and published an associated periodic table of chemical elements, authors have experimented with varying types of periodic tables...
65 KB (6,340 words) - 14:12, 28 April 2024
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...
252 KB (27,200 words) - 06:27, 15 August 2024
The periodic table is an arrangement of the chemical elements, structured by their atomic number, electron configuration and recurring chemical properties...
91 KB (11,029 words) - 19:02, 14 July 2024
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...
19 KB (2,475 words) - 17:30, 15 August 2024
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...
6 KB (572 words) - 15:59, 2 January 2024
dimension tables. Where multiple fact tables are used, these are arranged as a fact constellation schema. A fact table typically has two types of columns:...
7 KB (1,057 words) - 12:29, 16 August 2023
elements is the periodic table of the elements, whose history along the principles of the periodic law was one of the founding developments of modern chemistry...
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Others count some of the metalloids as post-transition metals. There were exceptions... in the periodic table, anomalies too—some of them profound. Why...
65 KB (8,975 words) - 13:41, 7 July 2024
elements 115–117. The following is a list of structure types which appear in the tables above. Regarding the number of atoms in the unit cell, structures in...
60 KB (1,185 words) - 05:50, 22 August 2024
The Periodic Table: Elements with Style is a 2007 children's science book created by Simon Basher and written by Adrian Dingle. It is the second book in...
6 KB (575 words) - 06:29, 29 May 2024
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...
15 KB (1,620 words) - 10:06, 13 August 2024
William Odling (category People involved with the periodic table)
History of the periodic table Carmen J. Giunta, Vera V. Mainz, and Julianna Poole-Sawyer (2020), "Periodicity in Britain: The Periodic Tables of Odling...
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Period 3 element (category Periods (periodic table))
Period 3 in the periodic table A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements...
24 KB (2,942 words) - 06:59, 9 August 2024
A table is an arrangement of information or data, typically in rows and columns, or possibly in a more complex structure. Tables are widely used in communication...
14 KB (1,461 words) - 03:16, 17 August 2024
Edward G. Mazurs (category People involved with the periodic table)
periodic table". Originally self-published as Types of graphic representation of the periodic system of chemical elements (1957), it was reviewed by the...
12 KB (830 words) - 23:33, 29 March 2024
alternative to carbon. Silicon is in the same group as carbon on the periodic table and, like carbon, it is tetravalent. Hypothetical alternatives to water...
79 KB (8,181 words) - 16:32, 21 August 2024
Comet Swift–Tuttle (category Periodic comets)
(formally designated 109P/Swift–Tuttle) is a large periodic comet with a 1995 (osculating) orbital period of 133 years that is in a 1:11 orbital resonance...
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Charles Janet (redirect from Janet periodic table)
director, inventor and biologist. He is also known for his left-step periodic table of chemical elements. Janet graduated from the École Centrale Paris in...
24 KB (2,665 words) - 19:44, 6 July 2024
Hydrogen (redirect from 1st element of the periodic table)
Calculations of Quantum Mechanics Hydrogen at The Periodic Table of Videos (University of Nottingham) High temperature hydrogen phase diagram Wavefunction of hydrogen...
121 KB (12,379 words) - 18:04, 21 August 2024
Transition metal (category Periodic table)
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...
40 KB (4,504 words) - 07:15, 17 February 2024
astronomical object § Hypothetical planet types Dwarf planet Minor planet Mega-Earth Planets in science fiction § Planet types Stellar classification Sub-Neptune...
13 KB (547 words) - 16:56, 21 June 2024
Lothar Meyer (category People involved with the periodic table)
1895) was a German chemist. He was one of the pioneers in developing the earliest versions of the periodic table of the chemical elements. The Russian chemist...
16 KB (1,207 words) - 04:32, 11 June 2024
This is a list of chemical elements by the stability of their isotopes. Of the first 82 elements in the periodic table, 80 have isotopes considered to...
37 KB (2,204 words) - 17:11, 25 March 2024
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...
53 KB (5,866 words) - 12:21, 1 July 2024
Dividing line between metals and nonmetals (category Periodic table)
configurations, on some representations of the periodic table of the elements (see mini-example, right). Elements to the lower left of the line generally display increasing...
22 KB (1,507 words) - 05:28, 6 August 2024
row on the conventional periodic table of elements represents an electron shell. Each shell can contain only a fixed number of electrons: the first shell...
28 KB (2,782 words) - 22:45, 4 May 2024
Electron configuration (section Periodic table)
structure of the periodic table of elements, for describing the chemical bonds that hold atoms together, and in understanding the chemical formulas of compounds...
60 KB (6,147 words) - 16:13, 17 August 2024
and ice. A third category of solids is amorphous solids, where the atoms have no periodic structure whatsoever. Examples of amorphous solids include glass...
33 KB (3,732 words) - 03:39, 12 July 2024
Alkali metal (redirect from Periodic trends in the alkali metals)
with 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:...
214 KB (23,508 words) - 15:09, 23 August 2024
The Periodic Table of Science Fiction is a collection of 118 very short stories by science fiction author Michael Swanwick. Each story is named after an...
3 KB (272 words) - 23:28, 11 May 2024