Respuesta :

dalilahcortez

Answer:

Core electrons are the electrons in an atom that are not valence electrons and therefore do not participate in bonding. The number of valence electrons of an element can be determined by the periodic table group of the element

Explanation:

HatHigs

Answer:

The number of valence electrons plus core electrons is the atomic

number.

Explanation:

A P E X approved!

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