Question

‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.

Answer 1

‘An atom is the basic unit of an element’.

An atom of fluorine [At. No. 9]

$$\underset{\text{[atomic no.]}}{\mathrm{Z}}=\underset{\text{[no. of protons]}}{\mathrm{P}}=\underset{\text{[no. of electrons]}}{\mathrm{e}}$$