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Ammonia is made up of two pure substances: nitrogen and hydrogen. What
can be true for ammonia, nitrogen, and hydrogen?
1.Ammonia is a mixture, and nitrogen and hydrogen are elements.
2.Ammonia is a mixture, and nitrogen and hydrogen are compounds.
3.Ammonia is a compound, and nitrogen and hydrogen are elements.
4.Ammonia is an element, and nitrogen and hydrogen are compounds.

Respuesta :

dbruno166

Answer:

3.Ammonia is a compound, and nitrogen and hydrogen are elements.

Explanation:

Look up the differences between elements, compounds and mixtures.