Question

1. explain the difference between elements and compounds.

Explanation:

Elements are pure substances made of only one type of atom. Compounds are substances formed when two or more different elements chemically combine in a fixed ratio. Elements cannot be broken down into simpler substances by chemical means. Compounds can be broken down into their constituent elements through chemical reactions.

Answer:

Elements are pure substances of one - atom type, unbreakable chemically. Compounds are formed by chemical combination of different elements in fixed ratios and can be chemically decomposed.