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Physical Science, 5/e
Bill Tillery, Arizona State University
Compounds and Chemical Change
Questions
1
Use electron dot symbols in equations to predict the formulas of the ionic compounds formed between the following:
Li and F
Be and S
Li and O
Al and S
2
Name the following ionic compounds formed from variable-charge transition elements:
PbCl
2
FeO
Cr
2
O
3
PbO
3
Name the following polyatomic ions:
(C
2
H
3
O
2
)
2
(HCO
3
)
2
(SO
4
)
22
(NO
2
)
2
(MnO
4
)
2
(CO
3
)
22
4
Use the crossover technique to write formulas for the following compounds:
Aluminum hydroxide
Sodium phosphate
Copper(II) chloride
Ammonium sulfate
Sodium hydrogen carbonate
Cobalt(II) chloride
5
Write formulas for the following covalent compounds:
Silicon dioxide
Dihydrogen sulfide
Boron trifluoride
Dihydrogen dioxide
Carbon tetrafluoride
Nitrogen trihydride
6
Name the following covalent compounds:
N
2
O
SO
2
SiC
PF
5
SeCl
6
N
2
O
4
7
Predict if the bonds formed between the following pairs of elements will be ionic, polar covalent, or nonpolar covalent:
Si and C
Cl and Cl
S and O
Sr and F
O and H
K and F
2002 McGraw-Hill Higher Education
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