Direction,: Answer each question below a, indeed. For full cm. SHOW aLL Hour nea

Question

Direction,: Answer each question below a, indeed. For full cm. SHOW aLL Hour neatly (Including all calculations) in the space prvMded mad after to significant the re and units. Calculation and fill in the blaak. (20 pointi) Consider the following Lewis Mrucfurr fcr the pofyatomx anion ccntral atom A it an unknown element: Calculate the valcncc electron for element A what are the some pouible klencitie for riement A? Explain Prvdict the mobcuUr geometry for this molccule. H7wf is the hybridizithn for the unknown atom A?

Explanation / Answer

a) AF5 . there are 5 bonds around A . so 5 x 2 = 10

valence electrons = 10

b) element valencey is 5. there are no lone pairs are present . total bond pairs are 5. so it is 15th group element

those are P , As, Sb

c)

5 bond pairs , no lone pairs are present . so it is trigonal bipyramidal

d)

for 5 bond pairs hybridisation sp3d

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