potassium and calcium elements

Chemistry

THE STRUCTURE OF THE ATOM AND THE PERIODIC TABLE

THE STRUCTURE OF THE ATOM AND THE PERIODIC TABLE.

1.1 The structure of the atom

When scientists started exploring matter, they realized that matter can be divided into smaller and still smaller particles.

They called the smallest particle an ‘atom’.

The name ‘atom’ was derived from the Greek word ‘atoms’, meaning ‘indivisible’.