E) [Ar]3d04s44p 2) How many lone pairs of electrons are on the O atom in OF2? A) 0 B) 1 C) 2 D) 3 3) Which atom in...

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Answer 1

Answer #1

2)- (c)There are Two loan pairs on Oxygen atom in OF2 ,

Since oxygen having 6 electrons in which 2 electrons are involved in bonding with florine atom .

3)- (d) Ca and O having smallest size among given set respectively .

4)-(d) Since Bi belongs to Nitrogen family which has 5 valance electrons .

5)- (d) n=3 has three orbitals s,p,and d which has total 9 orbitals .

Answer 2

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