Question

Which of the following statements is incorrect about the structure of an atom?

i. The whole mass of an atom is concentrated in the nucleus

ii. The atom is an indivisible particle

iii. The atom as a whole is neutral

iv. All the atoms are stable in their basic state

Choose the right option among the following:

(a) (i) and (iii)

(b) only (ii)

(c) (ii) and (iv)

(d) none of these​

Answer 1

Answer:

C

Explanation:

ii. atoms can still be divided into electrons , protons and neutrons.

iv. atoms are stable only when they have completely filled outermost electron.