30. Which of the following atoms would form
a trivalent anion?
A. Aluminium
B. Oxygen
C. Lithium
D. Nitrogen

Question

30. Which of the following atoms would form a trivalent anion? A. Aluminium B. Oxygen C. Lithium D. Nitrogen​

Neala · Answer

I think the answer is D. nitrogen .

nguyetanh · Answer

Aluminium and Nitrogen!