Question

what is mean by anti matter ? how it is different from normal matter ?

Answer 1

In particle physics, antimatter is a material composed of antiparticles, which have the same mass as particles of ordinary matter but opposite charges, as well as other particle properties such as lepton and baryon numbers.

Answer 2

Explanation:

Antimatter is a material composed of the antiparticle partners to the corresponding particles of ordinary matter.

For example , in Matter , a proton has positive charge while in an Antimatter, an antiproton has negative charge.