Each 'ozone' molecule is made up of three

An atom is itself an entity and by charge it is

A silver pendant is made up of atoms of

Dalton's model of atom states that an atom is

The number of protons and electrons in an atom is

Electrons orbiting around nucleus bear

An atom's model that the atom is composed of electrons surrounded by a group of positive charge to balance the electrons' negative charges is called

The positively charged particles of an atom are called

"O3" is a chemical formula of

Ammonia molecule contains one nitrogen atom and three atoms of

As compare to hydrogen atom, helium atom is

The major part of an atom is

Rutherford's Model explains that atom has a nucleus which is surrounded by

Chloride ion has number of protons

Smaller particles in an atom are called

Chemical symbol represents

The number of protons in a 'carbon' atom is

A modern model of an atom shows that electrons are present outside nucleus in the region of high