The elements that lie between group 2 and group 13 are often referred to as the d-block elements. In this topic, we will concern ourselves with the elements of the third period: scandium to zinc. The ...

Like the periodic table of elements, which has enabled generations ... All cells carry effectively the same bunch of genes, but different groups of those genes are used in, say, a nerve cell ...

Location = number of valence electrons, metal v. non-metal, tells us something about atomci radius, electronegtivity, ionisation energy depending on group and period trends. Take an element such as ...

The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...

They were about something considerably rarer: the metal gallium ... tensions over the 31st element on the periodic table — as well as the 32nd, germanium, also used in a bevy of advanced ...

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Astrophysicists have unearthed a surprising diversity in the ways in which white dwarf stars explode in deep space after ...

The self-proclaimed dealmaker says Washington should have access to Ukraine’s riches in exchange for wartime aid.

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For all their nobility, elements of group 18 have lived in relative obscurity. In 1869, Mendeleev's first periodic table did not include ... (about 4 compared with 0.2 for He) contributes to ...

Group 7 of the periodic table is something of an oddity ... Technetium, as they called it, was the last of elements 1-92 to be tracked down, and in fact it had to be synthesized rather than ...