1. Of the following atoms, the one with the largest radius is: a) magnesium b) p
ID: 834537 • Letter: 1
Question
1. Of the following atoms, the one with the largest radius is:
a) magnesium
b) potassium
c) carbon
d) nitrogen
e) helium
2. Of the following species, the one with the largest radius is:
a) H+
b) Cl?
c) Ca+2
d) S?2
e) Ar
3. Of the following atoms, the one that is most magnetic is:
a) beryllium
b) copper
c) aluminum
d) barium
e) nitrogen
4. Of the following atoms, the one that is easiest to ionize is:
a) potassium
b) neon
c) fluorine
d) sulfur
e) phosphorus
5. Of the following atoms, the one that has the highest electronegativity is:
a) potassium
b) phosphorus
c) oxygen
d) carbon
e) lithium
1
6. The total number of valence electrons in PO^?34 is:
a) 26
b) 28
c) 29
d) 30
e) 32
7. The number of lone pair on the nitrogen in NF3 is:
a) no lone pair
b) 1 pair
c) 2 pair
d) 3 pair
e) 10 pair
8. The number of double bonds in a molecule of SO2 is:
a) 0
b) 1
c) 2
d) 3
e) 4
9. The number of resonance structures (not involving d orbitals) required to correctly describe the
bonding in the linear ion N?
3 is:
a) 2
b) 3
c) 4
d) 5
e) 6
10. If the hybridization of the central sulfur is sp3, the formal charge on the central sulfur atom in OSCl2
is:
a) -2
b) -1
c) 0
d) +1
e) +2
2
11. The average sulfur-oxygen bond order in SO2 is:
a) 1.0
b) 1.3
c) 1.5
d) 1.7
e) 2.0
12. Of the following species, the one that is linear is:
a) H2S
b) CH?
2
c) O3
d) H2O
e) I?
3
13. The hybridization of the central atom in XeF2 is:
a) sp
b) sp2
c) sp3
d) sp3d
e) sp3d2
14. The O
Explanation / Answer
1.b
2.e
3..a
4.a
5.c
6.e
7b
8c
9a
.10.c
11.e
12.c
13.d
14.e
15.e
16.c
17.c
18.a
19.d
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