Question

Multiple Choice Questions
(a) The outermost shell of an atom is known as
(i) valency
(ii) valence electrons
(iii) nucleus
(iv) valence shell
(b) The number of valence electrons present in
magnesium is
(i) two
(ii) three
(iii) four
(iv) five
(c) The sub atomic particle with positive charge
is
(i) proton
(ii) neutron
(iii) electron
(iv) nucleon
51​

Answer 1

Answer:

a)valence shell

b)two

c)protons

Answer 2

Answer:

a) valence shell

b) two

c) proton

Explanation:

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