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The location and composition of Group 3 of the periodic table [PDF]
Foundations of Chemistry, 2020 AbstractGroup 3 as Sc–Y–La, rather than Sc–Y–Lu, dominates the literature. The history of this situation, including involvement by the IUPAC, is summarised. I step back from the minutiae of physical, chemical, and electronic properties and explore considerations of regularity and symmetry, natural kinds, and quantum mechanics, finding these to be ...
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Particular Symmetries: Group Theory of the Periodic System
Substantia, 2020 To this day, a hundred and fifty years after Mendeleev's discovery, the overal structure of the periodic system remains unaccounted for in quantum-mechanical terms.
Pieter Thyssen, Arnout Ceulemans
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Correction to: The location and composition of Group 3 of the periodic table [PDF]
Foundations of Chemistry, 2020 In the original publication of the article, the author has identified four belated corrections which are listed below.
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Zeeman slowing of a group-III atom
Physical Review Research, 2022 We realize a Zeeman slower of an atom in main group III of the Periodic Table, otherwise known as the “triel elements.” Despite the fact that our atom of choice (namely indium) does not have a ground state cycling transition suitable for laser cooling ...
Xianquan Yu +4 more
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Energy of Substitution of Anions and Cations in Zinc and Cadmium Telluride
Фізика і хімія твердого тіла, 2017 Energy substitution of cations and anions in ZnTe i CdTe by atoms from first and seventh group of the periodic table were calculated using the method of bonding orbitals. Based on the results conclusions about the most likely types of defects by doping.
V. V. Prokopiv +5 more
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Examination of the preservice chemistry teachers’ understanding of periodic table concepts
SHS Web of Conferences, 2018 The purpose of this study was to examine the preservice chemistry teachers’ understanding of periodic table concepts and some atomic properties. The study group of this study was comprised of 17 preservice chemistry teachers who were undergraduate ...
Şen Şenol
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Model Equation Based on the 8 Groups and the 7 Periods in the Periodic Table of Elements
International Research in Education, 2021 The periodic table of chemistry contains all synthetic and naturally occurring elements. The elements are arranged in seven horizontal periods from left to right with increasing atomic number. The periodic table is divided into two groups: metals and nonmetals, within elements moving from left to right, the elements get less metallic, culminating in ...
Orwa Houshia +3 more
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AIP Advances, 2021 We report the effect of varying the Y element on the structural, electronic and magnetic properties of Co2YIn (Y = V, Nb, Ti) Heusler compounds using Density Functional Theory (DFT).
Zipporah Muthui +3 more
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مجلة بغداد للعلوم, 2013 Density Functional Theory (DFT) with B3LYP hybrid exchange-correlation functional and 3-21G basis set and semi-empirical methods (PM3) were used to calculate the energies (total energy, binding energy (Eb), molecular orbital energy (EHOMO-ELUMO), heat ...
Baghdad Science Journal
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The Mnemonic Correction Becomes Meaningful Through Focus Group Discussion in Chemistry Learning
JTK (Jurnal Tadris Kimiya), 2022 One of the concerns in the learning process is the meaning of writing mnemonics to help students memorize chemistry concepts. The research aimed to correct mnemonics in learning presentation by prospective chemistry teachers' students to be meaningful ...
Sri Winarni, Syahrial Syahrial
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