*40 IF YOU ANSWER CORRECTLY & ADDED BRAINIEST* *IF COMMENT IS IRRELVANT, YOUR ACCOUNT WILL BE REPORTED*

1.) An electron configuration of 2-7-6 represents the atom of...
A.) phosphorus and is in the ground state
B.) phosphorus and is in the excited state
C.) potassium and is in the ground state
D.) potassium and is in the excited state

2.) An atom contains three valence electrons. This atom could be *
A.) sodium
B.) magnesium
C.) aluminum
D.) silicon