2 years ago

1. An example of a polyatomic ion is:a) SO²-4b) Ca?c) O2d) NaCl

1 answer:

8 0

Answer:

A is the answer. Ca(calcium) is an element, O2 is a diatomic element, and NaCl is a compound composed of Na(sodium) and Cl(chlorine)

Explanation:

hopefully that helps!!!

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1. An example of a polyatomic ion is:a) SO²-4b) Ca?c) O2d) NaCl​

1. An example of a polyatomic ion is:a) SO²-4b) Ca?c) O2d) NaCl