Chemistry
Name _________________________________
Reading Guide 7-1
Period ___________ Date _________________
1. Why are systematic names of compound often preferred over common names?
2. In the chemical formula for octane, C8H18, there are _____ atoms of carbon and ____ atoms of
hydrogen.
3. In the chemical formula for aluminum sulfate, Al2(SO4)3, there is no subscript written next to the S. It
is understood then, that the value of the subscript is ____. What is the meaning of the subscript,3,
outside of the parentheses around SO4?
4. Define monatomic ion.
5. What is the symbol for the monatomic cation, calcium?
6. What is the symbol for the monatomic anion, fluoride?
7. Define binary compound.
8. What is the chemical formula for the binary compound made from Mg+2 and Br-?
9. Define nomenclature.
10. Describe how a binary ionic compound is named. Give an example.
11. Some ions are named using a Roman numeral after its name, such as Iron(II). What is the purpose
of the Roman numeral? Why is it necessary that some cations be named with a Roman numeral?
12. Define oxyanion.
13. What is the difference between the nitrate and the nitrite anion?
14. When more than one polyatomic ion is present in a compound, the formula for the entire ion is
surrounded by _______________________.
15. When naming a binary molecular compound, the prefix tetra represents the number _____ and the
prefix deca represents the number ________. Therefore, the chemical formula for the compound
tetraphosphorus decoxide is _______________.
16. What is the difference between a binary acid and an oxyacid? Give an example of each.
17. The term acid usually refers to what characteristic of these compounds?
18. Define salt.
19. Calcium sulfate is a type of salt that is produced from what acid?