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Problems with Periodic Table Theory-Praxis in Chemistry Topics Teaching
Indonesian Journal of Science and Mathematics Education, 2023 The two main chemical concepts that are the subject of this investigation are chemical bonds and related reactions. This research examines how the periodic table concept can help teachers improve science teaching. To help students understand the contents
Thabo Mhlongo, Thomas Dipogiso Sedumedi
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Foundations of Chemistry: Philosophical, Historical, Educational and Interdisciplinary Studies of Chemistry, 2023 In 1869, two distinguished scientists, Dimitri Mendeleev and Lothar Meyer, discovered a certain periodicity among the chemical characteristics of the then known elements. Both developed first versions of the periodic table, independently.
Klaus Ferdinand Gärditz
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Nanoscale Horizons, 2021 This tutorial review describes the ongoing effort to convert main-group elements of the periodic table and their combinations into stable 2D materials, which is sometimes called modern 'alchemy'.
P. Hess
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Periodic Unit and its Effect on Improving Academic Performance of Students in Anatomy- A Pilot Study [PDF]
International Journal of Anatomy Radiology and Surgery, 2021 Introduction: Anatomy is one of the basic sciences of medicine. Optimal anatomical knowledge is essential for competent future doctors. Assessments in medical education not only help the students but also, the teachers to address the critical areas of
NB Pushpa, K Pushpalatha, MC Smitha
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Single-Atom Catalysts across the Periodic Table.
Chemical Reviews, 2020 Isolated atoms featuring unique reactivity are at the heart of enzymatic and homogeneous catalysts. In contrast, although the concept has long existed, single-atom heterogeneous catalysts (SACs) have only recently gained prominence.
S. Kaiser +4 more
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Química Nova, 2015 The aim of this paper was to analyze the historical approaches to the periodic table in general chemistry textbooks used in Brazilian universities in the twentieth century.
Helena S. A. Leite, Paulo A. Porto
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, 2021 The periodic table is an essential topic in the teaching and learning of science at all education levels, as it contains information about the main physical and chemical properties of the different...
Jose M. Montejo Bernardo +1 more
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Dynamical stability of two-dimensional metals in the periodic table [PDF]
Physical review B, 2020 We study the dynamical stability of two-dimensional (2D) metals from Li to Pb in the periodic table. Using a first-principles approach, we calculate the phonon band structure of 2D metals that have planar hexagonal (HX), buckled honeycomb (bHC), and ...
S. Ono
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Understanding Periodic and Non-periodic Chemistry in Periodic Tables [PDF]
Frontiers in Chemistry, 2021 The chemical elements are the “conserved principles” or “kernels” of chemistry that are retained when substances are altered. Comprehensive overviews of the chemistry of the elements and their compounds are needed in chemical science. To this end, a graphical display of the chemical properties of the elements, in the form of a Periodic Table, is the ...
Changsu Cao +5 more
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The St Andrews Periodic Table Wallchart and its Use in Teaching
Substantia, 2019 An early surviving copy of a periodic table of the elements wallchart is described and it is compared with other early versions of the periodic table. The status of chemistry teaching in St Andrews at the time and particularly the lectures of Professor ...
R. Alan Aitken, M. Pilar Gil
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