Choose the Three correct statements.

Question

a
Strontium is located in Group 5A, Period 2.
b
Strontium is located in Group 2A, Period 5.
c
Strontium has 2 valence electrons. The valence electrons are located in the 5th energy level.
d
Strontium has 5 valence electrons. The valence electrons are located in the 2nd energy level.
e
Strontium will gain 6 valence electrons in an ionic bond to form a 6- ion.
f
Strontium will lose its two valence electrons in an ionic bond to form a 2+ ion.

Answer 1

b
Strontium is located in Group 2A, Period 5.
c
Strontium has 2 valence electrons. The valence electrons are located in the 5th energy level.
f
Strontium will lose its two valence electrons in an ionic bond to form a 2+ ion.