What is the correct formula?
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17. What is the correct formula for Lead(IV) oxide?
a. Pb2O4
b. Pb4O2
c. PbO
d. PbO2
e. Pb2O
18. C2H2F4 is the formula for two possible molecules. C2H2F4 is an example of an
a. structural formula
b. empirical formula
c. condensed formula
d. space filling model.
e. molecular formula
19. What is the name of the compound with the formula Cr2S3?
a. chromium sulfide
b chromium (II) sulfide
c. chromium (III) sulfide
d. chromium sulfate
e. dichromium trisulfide
20. What is the correct formula for iron (III) sulfide?
a. FeS3
b. Fe2S
c. FeS
d. Fe3S2
e. Fe2S3
What is the correct formula of sodium phosphate?