Answer:
the abbreviation form of full name is called symbol.
the smallest unit of cimpound is called molecule.
Answer:
PCl3
Explanation:
The molecular formular of a compound shows the exact number of atoms of elements present in the compound. In this illustration, there is one atom of P and 3 atoms of Cl.
The formular is given as; PCl3
Compounds. They both have more than one element in them
