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Chemical Bonds
Test Description: Chemical Bonding
Instructions: Answer all questions to get your test result.
1) Type of electron configuration that makes an atom stable.
A
8 valence electrons
B
4 valence electrons
C
7 valence electrons
D
1 valence electron
2) Describe an Ionic compound.
A
metal-Nonmetal, electron sharing
B
metal-metal, transfer of electrons
C
Nonmetal-Nonmetal, electron sharing
D
metal-Nonmetal, transfer of electrons
3) Describe a covalent bond.
A
Nonmetal-Nonmetal, electron sharing
B
metal-Nonmetal, transfer of electrons
C
metal-metal, electron sharing
D
Nonmetal-Nonmetal, transfer of electrons
4) What are ions?
A
protons with a negative charge
B
positively or negatively charged atoms
C
atom with equal protons and electrons
D
electrons with a negative charge
5) By losing one valence electron, a sodium atom becomes
A
an anion
B
magnesium
C
a cation
D
negatively charged
6) Which results from sodium transferring an electron to a chlorine atom
A
Each atom ends up with a more stable electron configuration.
B
sodium ends up more stable, chlorine less stable
C
each atom is less stable
D
Chlorine ends up more stable, sodium less stable
7) A negatively charged ion is a(n)
A
proton
B
cation
C
electron
D
anion
8) What is the charge of a Magnesium ion?
A
0
B
2-
C
1-
D
2+
9) Name this formula: MgO
A
Magnesium Monoxide
B
Manganese Monoxide
C
Magnesium Oxygen
D
Magnesium Oxide
10) Name this formula: LiF
A
Lithium Floride
B
Lithium Florine
C
Monolithium Monofloride
D
Lithium Monofloride
11) Name this formula: FeO
A
Iron (III) Oxide
B
Iron (II) Oxide
C
Iron Monoxide
D
Iron Oxide
12) Which is a molecule?
A
CO
B
LiO
C
MgO
D
NaCl
13) How many pairs of electrons must two Nitrogens share to become stable?
A
two
B
three
C
one
D
zero
14) Compound made from only two elements.
A
polar
B
diatomic
C
binary
D
ionic
15) The suffix -ide occurs in the names of
A
anions
B
cations
C
metals
D
the last element
*select an answer for all questions
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