What Are the Approximate H-N-H Bond Angles in NH₄⁺?
A) $\circ$

Multiple Choice

What are the approximate H-N-H bond angles in NH₄⁺?

A) 109.5 ^$\circ$
B) 120 ^$\circ$
C) 109.5 ^$\circ$ and 120 ^$\circ$
D) 90 ^$\circ$
E) 90 ^$\circ$ and 120 ^$\circ$