ExamPlay Light Logo
로그인

WAEC - Chemistry (2002 - No. 14)

The atomic number of chlorine is 17. What is the number of electrons in a chloride ion?
16
17
18
19

설명

Cl = 17 = 2, 8, 7.

Cl ion = Cl\(^-\) = 2, 8, 8 = 18.

댓글 (0)

광고