Question

write two types of compounds in metals and non metals chapter of science book​

Answer 1

Explanation:

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1. ferrous oxide means rust
2. H2O means water
3. NaCl means salt

Answer 2

Answer:

Covalent or molecular compounds form when elements share electrons in a covalent bond to form molecules. Molecular compounds are electrically neutral. Ionic compounds are (usually) formed when a metal reacts with a nonmetal (or a polyatomic ion). Covalent compounds are formed when two nonmetals react with each other.