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lL? (S=32, 0=16, H=l) (15%) 2. What shape do you expect for each of the following molecules or ions?

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(1)

I. E!396%ttIL~

1.84;z.H2S04

~O{jjJi'lC~2Nf~i$Wj'i'¥~

lL? (S=32, 0=16, H=l) (15%) 2. What shape do you expect for each of the following molecules or ions?

(.lii:B1'1U5trH~Jl*1fZ~ajj;ltt5f~) (~/J\Jm

5% ' :tt 20%)

(I) Xe02F2

(2) HjBO j

(3) H2

CO

j

(4)

P"i!lJi1

3. Explain the following terms:

(~1Ju~ajj1'5U;fjg~]) (E.f+~

5% ' :tt 25%)

Ej3 ,

osmotic pressure !j,\(; osmosis

z:. ' green house effect

P"i ' London dispersion force

T ' amino acid

~

, isomer

4.

E!35tr!pjlJ~(MO)l]J.~iIi*Ulfi

NO 5tr8"Jml9:(bond

order)W/llJjliY1t1!j,\(;~unt10

(10%) 5. Balance the equations for the following reactions: (a/J\J11i 10% ' :tt 20%)

(ZP~15fRA)

(a) Cr(OH)j(s) + C10'(aq) -7 CrO/-(aq) + Ch(g) + OW(aq) + H20(l) (b) Pb02(s) + Pb(s) + HS04

"(aq)

+ H+(aq) -7 PbS0

4(s)

+ H20(l)

6. Write the electron configuration for:

(:% i:B IJf: r 8"J'llr ,f.§Jlj)

(I)

Cr

(2)

Br

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