Question Text
Question 1 :
Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order
(i) Rutherford’s atomic model
(ii) Thomson’s atomic model
(iii) Bohr’s atomic model
Question 2 :
An atom with 3 protons and 4 neutrons will have a valency of
Question 3 :
How many electrons are there in the L shell of chlorine atom ?
Question 4 :
Which of the following correctly represent the electronic distribution in the Mg atom?
Question 5 :
Dalton’s atomic theory successfully explained:
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportion
