Q. 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: (ii) and (iv)
