Question Detail

CHM 101 Atoms and Atomic Theory Objective Question

Question

Which of the following is a polyatomic ion commonly found in fertilizers?
Options
A Cl-
B Na+
C NH4+
Correct Answer
D Mg2+
Correct Answer

Option C is the correct answer.

Detailed Explanation

NH4+ (ammonium) is a polyatomic ion consisting of one nitrogen atom and four hydrogen atoms with an overall positive charge. It is commonly used in fertilizers as a source of nitrogen.

Hint

Identify which option is a group of atoms with a charge, rather than a single atom.

Question Info