Question

Question:

Define Atom, Molecules & Elements and Compounds ?

Explain it your own words
No copied answer ❌​​

Answer 1

Explanation:

Atom-the smallest part into which an element can be divided.

Molecules-Molecules are two or more atoms chemically joined together.

Element-an element is a pure substance consisting only of atoms.

Compound-Compounds are two or more different elements joined together chemically.

Answer 2

★Atom is the smallest particle that takes part ina chemical reaction

★A molecule is a combination of two or more atomsheld together by strong chemical forces of attraction i.e, chemical bonds.

★It is a substance that cannot be broken down into simpler substance by chemical means Ex. : Oxygen, Hydrogen, Gold & Helium.

★ A compound is a pure substance that is formed when the atoms of two or more elements combine chemically in definite proportions. Ex : H?0, NaCl.

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