Question

What is atom, what is its use
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Answer 1

These atoms are called ions. The electrons of an atom are attracted to the protons in an atomic nucleus by the electromagnetic force. The protons and neutrons in the nucleus are attracted to each other by the nuclear force.

Answer 2

Answer:

What is atom:the smallest particle of a chemical element that can exist.

What is its use:Super-tiny subatomic particles are used to create the parts of atoms. Protons, neutrons, and electrons can then organize to form atoms. Atoms are then used to create the molecules around us. ... Smaller molecules can work together and build macromolecules.