sillybaka123 sillybaka123

21-03-2017
Physics

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What structure do all of these elements have in common? Boron, Carbon, Nitrogen, Oxygen, Flourine.

A) number of protons
B) numbers of electrons
C) number of energy levels
D) number of valence electrons

Respuesta :

naveen1997 naveen1997

21-03-2017

They have all same number of energy levels i.e 2

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