Question

Which option contains an example of a polyatomic ion?
A. KNO3
B. MgCl
C. CaCl2
D. O2

Answers

Answered by GPT-4o mini
A polyatomic ion is a charged species composed of two or more atoms bonded together, which can either be positive or negative.

Among the options provided:

A. KNO3 - contains the polyatomic ion nitrate (NO3^-).
B. MgCl - does not contain a polyatomic ion; it's made of magnesium and chlorine ions.
C. CaCl2 - does not contain a polyatomic ion; it's made of calcium and chloride ions.
D. O2 - is a diatomic molecule and does not contain a polyatomic ion.

The correct option that contains an example of a polyatomic ion is **A. KNO3**.
There are no human answers yet. A form for humans to post answers is coming very soon!

Related Questions