If an atom loses electron the ion obtained is charged

Molecules which consists of fixed number of different types of atoms which are chemically combined together, are

The representation of an object, system or phenomenon is done by

In nucleus, mass of an atom is more than

A theory of movement of electrons in a fixed orbit around nucleus was given by

Two or more atoms chemically combined together form a

An electrically charged particle which is formed when an atom gains or loses electron is called

The number and types of atoms a molecule contain, are shown by its

The diameter of a 'nucleus' is

The total number of protons in atom of each element is called its

The smallest particle of an atom which exists, is called

The nucleus in an atom consists of

Molecules which contain fixed number of same type of atoms are molecules or

The size of a single atom is

The number of atoms which a molecule of sulphur contains, is

Under STM, atoms can be

The number of oxygen atoms in glucose molecule is 6 and in hydrogen molecules is

One carbon atom and one oxygen atom are combined together to form a molecule of

Many helium atoms join together to form

Neutrons carry