Question

Find odd one out
Zinc, iron, phosphorous, sodium

Answer 1

Answer:

zinc

Explanation:

zinc is material and others are mineral

Answer 2

Answer:

I think it's Phosphorus,

cause it is only the ion that has a negative power.

As it follows:-

Zinc - Zn²+

Iron - Fe²+

Phosphorus - PO4³-

Sodium - Na+