Quiz: Ions

1. Chlorine-35 has
a. 35 protons
b. 35 neutrons
c. a mass number of 35
2. Comparing the neutral atom Cl with the negative ion Cl–, the negative ion has
a. the same number of electrons as the neutral atom
b. fewer electrons than the neutral atom
c. more electrons than the neutral atom
3. The ion, N3–, has
a. 7 electrons
b. 10 electrons
c. 4 electrons
4. A magnesium ion, Mg2+, has
a. 12 protons
b. 10 protons
c. 14 protons
5. The ions of the alkali metals will have a charge of
a. –1
b. +1
c. +2
6. The ions of the alkaline earth metals will have a charge of
a. –1
b. +1
c. +2
7. When combined with a metal, ions of the halogens will have a charge of
a. –1
b. +1
c. +2
8. The ratio of potassium ions to iodine ions in the compound potassium iodide is
a. 2:3
b. 1:2
c. 1:1
9. The ratio of calcium ions to bromine ions in calcium bromide produces a chemical formula of
a. CaBr
b. CaBr2
c. Ca2Br
10. Comparing the neutral atom Al with the positive ion Al3+, the positive ion has
a. the same number of electrons as the neutral atom
b. fewer electrons than the neutral atom
c. more electrons than the neutral atom

Cite this article

Ask Cliff

More Study Help