Hello friends today we will see
what is an atom?
Atom is a smallest particle of an element
Atom is made up of three types of particles
Protons, neutrons
and electrons
proton caries positive charge
electron carries negative charge
and neutrons are electrically neutral
In any atom total number of
protons is equal to total number of
electrons
towards the center of atom
there are two types of particles, protons
and neutrons
this center of atom is also known as
nucleus
electrons revolve around the nucleus
in shells
thank you!
