7.1. Ionic Compounds http://www.ck12.org
Lesson Review Questions
Reviewing Concepts
- What element is present in all organic compounds?
- Write the molecular formula of a compound whose molecules contain one atom of nitrogen and three atoms
of fluorine. - A Roman numeral is not used in the names of compounds containing which three transition elements?
- Give an example of each of the following: (1) a monatomic cation, (2) a monatomic anion, (3) a polyatomic
cation, and (4) a polyatomic anion. - What is the overall charge of an ionic compound?
- When are parentheses used in the formula of an ionic compound?
Problems
- Write the empirical formula for each of the following compounds:
a. C 2 H 6
b. Hg 2 Cl 2
c. Sb 2 O 5
d. C 8 H 16 O 2 - Using only the periodic table, write the symbol of the common ion formed by each of the following elements:
a. Sr
b. I
c. Se
d. Ba
e. P
f. Rb
g. Al
h. Br - Name the following monatomic ions:
a. O^2 −
b. Li+
c. W^3 +
d. Cu^2 +
e. Ga^3 +
f. F− - Write formulas for binary ionic compounds formed from each of the following pairs of elements:
a. potassium and sulfur
b. silver and chlorine
c. calcium and oxygen
d. aluminum and iodine
e. barium and nitrogen
f. sodium and selenium - Name the following polyatomic ions:
a. SO 32 −
b. MnO 4 −