Question

cemistry attam one paragraf

Answer 1

Atom are the elimintary particles.All matter is made up of atoms.They have three particles-proton,neuton and electron which are called sub atomic particles.Atoms can neither be created nor destroyed in a chemical reaction.Protons have positive charge, electron have negative charge and nuetron has neutral charge(no charge)
Proton and neutron make up the centriod.Atom is electrically neutral.