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Chemical Bonding
Test Description: Chemical Bonding
Instructions: Answer all questions to get your test result.
1) What is the formula for diphosphorous pentoxide?
A
P2O4
B
P3O5
C
P2O5
D
P5O2
2) How many bonds in N2?
A
4
B
3
C
2
D
1
3) Calcium Oxide is a(n) _____ compound and the formula is _____.
A
covalent, CaO2
B
covalent, Ca2O
C
ionic, CaO2
D
ionic, CaO
4) Elements from opposite sides of the periodic table form _____.
A
diatomic compounds
B
covalent compounds
C
metalic compounds
D
ionic compounds
5) Based on the octet rule, phosphorus most likely forms a _____ ion.
A
P3-
B
P3+
C
P5-
D
P+
6) Atoms take part in bond formation to _____.
A
increase their density
B
attain a stable electronic configuration
C
increase their energy
D
nertralize their charge
7) What is the name of the compound formed by zinc ions and fluoride ions?
A
zinc fluoride
B
zinc difluoride
C
zinc fluorate
D
zinc(II) fluorite
8) Compounds that have the same number of positive and negative charges are _____.
A
cationic
B
anionic
C
electrically neutral
D
isoelectronic
9) The correct Lewis structure for a Group 18 atom has _____.
A
one pair of valence electrons and one single valence electron
B
four pairs of valence electrons
C
two pairs of valence electrons and one single valence electron
D
three pairs of valence electrons and one single valence electron
10) What is the formula for the compound formed by tin(IV) and the chromate ion?
A
Sn(CrO4)4
B
Sn(CrO4)2
C
Sn2(CrO4)4
D
Sn2(CrO4)2
*select an answer for all questions
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