cwdnj345 cwdnj345

08-10-2020
Chemistry

contestada

What property of an element does the group number identify in a numbering
system that uses "A" and "B"?
A. The number of core electrons
B. The number of inner electrons
C. The number of valence electrons
D. The electrons closest to the nucleus

Respuesta :

ekamunya04 ekamunya04

08-10-2020

Answer:

C) the number of valence electrons

Explanation:

the group shows the valence electrons in the atom

eg. Na has one valence electron hence it belongs to group(I)

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