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Chemical Bonds
Test Description: Ionic and Covalent Bonds
Instructions: Answer all questions to get your test result.
1) A covalent bond forms between nonmetals when electrons are_____?
A
ionized
B
exchange energy
C
shared
D
transferred
2) The chemical name for CO3
A
Carbon Trioxide
B
Carbon Dioxide
C
Carbon Monoxide
D
Carbon Oxide
3) The Chemical formula for magnesium oxide is
A
Mg2O 2-
B
Mg2O
C
MgO
D
Mg1O1
4) An ionic bond forms between a _____ and ____ when electrons are transferred.
A
metal and nonmetal
B
nonmetal and nonmetal
C
transition metal and metalloid
D
metal and metal
5) Atoms gain or lose electrons to achieve _________
A
ionization
B
an exchange of energy
C
Stable electron configuration
D
vaporization
6) Which subatomic particle is most involved in chemical bonding?
A
isotopes
B
protons
C
neutrons
D
electrons
7) In an electron dot diagram, each dot represents a(an) _________.
A
periods
B
ions
C
valence electrons
D
shared electrons
8) A cation has a ______ charge.
A
negative
B
both positive and negative
C
neutral
D
positive
9) In lithium fluoride, which element forms the anion?
A
lithium
B
oxygen
C
fluorine
D
chloride
10) Which of the following groups contain three elements with stable electron configurations?
A
helium, xeon, neon
B
lithium, krypton, argon
C
boron, hydrogen, oxygen
D
argon, neon, calcium
*select an answer for all questions
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