Question

what is an atom? write fore characteristics of atom
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Answer 1

$\huge\bf { AnSwer }$

Atom:

Atoms are the basic building blocks of ordinary matter. Atoms can join together to form molecules, which in turn form most of the objects around you. Atoms are composed of particles called protons, electrons and neutrons.

Characteristics:

• Typical sizes of atom and nucleus.
• Most of atom's mass is in the nucleus.
• Constituents: protons, neutrons, electrons.
• Electric force holds atom together.
• Nuclear force holds nucleus together.
• Atoms, ions.
• Atomic number