Quiz: Ionic Bonds

1. When one atom transfers one or more valence electrons to another atom, a(n) __________ is formed.
a. covalent bond
b. ionic bond
c. metallic bond
2. In general, bonds between a metal and a nonmetal are
a. covalent
b. ionic
c. metallic
3. Any halogen needs __________ additional electron(s) to complete its octet.
a. 0
b. 1
c. 2
4. When forming bonds, metals tend to
a. gain electrons
b. lose electrons
c. lose protons
5. All alkaline earth metals have __________ valence electrons and form ions with a __________ charge.
a. 2, +2
b. 1, +1
c. 2, –2
6. An ionic bond forms between
a. two atoms that are sharing electrons to complete their respective octets
b. two atoms that independently have full octets
c. positive ions and negative ions
7. Generally, alkali metals need to __________ to complete their octets.
a. do nothing (as they already have a full octet)
b. gain 7 valence electrons
c. lose 1 valence electron
8. The force between two points of opposite electrical charge can be calculated using
a. Newton's laws of motion
b. Coulomb's law
c. Law of Conservation of Mass
9. Given the following table of ionic radii, calculate the relative strength of the bond in NaCl.
Ion Radius in angstroms
Na+ 0.97
Cl– 1.81
a. 0.57
b. 0.65
c. 0.13
10. Given the following table of ionic radii, which compound, SrS or NaCl, has the greater strength in its ionic bond?
Ion Radius in angstroms
Na+ 0.97
Cl– 1.81
Sr+2 1.12
S–2 1.90
a. SrS
b. NaCl
c. Neither as both have the same bond strength
11. Electrostatic attraction occurs between
a. two neutral atoms
b. two atoms of opposite charge
c. two positive ions
12. Positive ions are called
a. anions
b. cations
c. dogions
13. An anion has a __________ charge.
a. negative
b. positive
c. neutral
14. Based on the electron configuration of rubidium, Rb, and nitrogen, N, the chemical formula for the most likely compound between these two elements would be
a. RbN
b. RbN3
c. Rb3N
15. Based on the electron configuration of sulfur, S, a sulfur atom will __________ valence electrons when bonding with lithium.
a. gain 2
b. lose 6
c. gain 6

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