Which three are correct?
a
Arsenic is located in Group 4A, Period 5.
b
Arsenic is located in Group 5A, Period 4.
c
Arsenic has 5 valence electrons. The valence electrons are located in the 4th energy level.
d
Arsenic has 4 valence electrons. The valence electrons are located in the 5th energy level.
e
Arsenic will lose its five valence electrons in an ionic bond to form a 5+ ion.
f
Arsenic will gain 3 valence electrons in an ionic bond to form a 3- ion.
b, c, e are correct.
b. Arsenic is located in Group 5A, Period 4.
c. Arsenic has 5 valence electrons. The valence electrons are located in the 4th energy level.
e. Arsenic will lose its five valence electrons in an ionic bond to form a 5+ ion.