Question

answer this ... aNd above too.

Answer 1

for 8 the question

a) 6 electron are present in it's outer most sheel thus have a valency of 3

b) there is double bond between two ozgen atom

Answer 2

7. No,because it always forms a virtual and erect image which can't be obtained on a screen and to burn a paper it is necessary to focus image on paper

8(a) 6 valence electrons

(b) double bond

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