vanneyLizieJ vanneyLizieJ

19-05-2016
Chemistry

contestada

What structure do all of these elements have in common?
A) number of protons
B) numbers of electrons
C) number of energy levels
D) number of valence electrons

Respuesta :

HusnaaA HusnaaA

25-05-2016

I think the answer is the number of protons.

Answer Link

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