Chem 133-Simple Ionic Questions and Answers APUS Rated A+|Accurate|Verified 2026

Chem 133-Simple Ionic Questions and Answers APUS
Rated A+

1. Which pair of ions will form an ionic compound with a 1:1
ratio?
a. Calcium and sulfur
2. What is the formula for the ionic compound formed from barium and
phosphorus?
a. Ba3P2
3. Which ionic compound is possible?
a. K2O
4. An ionic compound has the general form, XCly. Which option for X and
y correctly completes the formula?
a. Beryllium, 2
5. Which pair of elements can form an ionic compound?
a. Barium and iodine
6. An ionic compound has the formula X2O. Identify the element, X.
a. Potassium
7. What is the name for the compound with the formula MgCl2?
a. Magnesium Chloride
8. Which one of the following pairs will form an ionic compound
with a 1:1 ratio between the cation and anion?
a. Calcium and sulfur
9. What is the name for the compound with the formula Ba3N2?
a. Barium nitride
10. Which element can replace X in the formula Mg3X2
a. Phosphorus
11. A compound has the formula Al2X3. Which one of the following could
be X?
a. Sulfur
12. What ions compose the compound magnesium phosphide?
a. Mg2+ and P3-
13. What is the formula for the compound made from beryllium
and bromine?
a. BeBr2
14. Which group contains only elements that will form cations in
ionic compounds?
a. Sodium, magnesium, aluminum
15. In the ionic compound XY 3, if X has a charge of then Y has a
charge of .
a. 3+, 1-
16. In the ionic compound AmBn, which element is the cation?
a. A
17. Which pair of elements will form an ionic compound with a 1:2
ratio between the cation and anion?