karlaalejandra9 karlaalejandra9

26-11-2014
Chemistry

contestada

atoms of which two elements in the ground state contain the same number of valence electrons

A- al &si
B- al & b
C- al & zn
D- al & ge

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dlpeckham dlpeckham

26-11-2014

B. Valence electrons in an atom correspond to group number. So, if two elements are in the same group they have the same amount of atoms in the outer shell.

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