Question

which three elements are in na₃po₄?
phosphorus
osmium
oxygen
palladium
strontium
sodium

Explanation:

In the chemical formula Na₃PO₄, Na represents sodium, P represents phosphorus, and O represents oxygen. Osmium (Os), palladium (Pd), strontium (Sr) are not present in this compound.

Answer:

phosphorus, oxygen, sodium