Seudónimo Seudónimo

28-11-2017
Chemistry

contestada

Which of the following elements has two (2) valence electrons?
A. Na
B. Mg
C. Al
D. S

Respuesta :

dangerousmattoycs4v dangerousmattoycs4v

28-11-2017

Magnesium is in group 2, which means it has 2 valence electrons

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thetreemaster9 thetreemaster9

22-10-2018

B. Mg because it is in the second column of the periodic table

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