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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
shared
C
exchange energy
D
transferred
2) The chemical name for CO3
A
Carbon Oxide
B
Carbon Monoxide
C
Carbon Dioxide
D
Carbon Trioxide
3) The Chemical formula for magnesium oxide is
A
Mg1O1
B
MgO
C
Mg2O
D
Mg2O 2-
4) An ionic bond forms between a _____ and ____ when electrons are transferred.
A
metal and metal
B
nonmetal and nonmetal
C
transition metal and metalloid
D
metal and nonmetal
5) Atoms gain or lose electrons to achieve _________
A
ionization
B
vaporization
C
an exchange of energy
D
Stable electron configuration
6) Which subatomic particle is most involved in chemical bonding?
A
electrons
B
protons
C
isotopes
D
neutrons
7) In an electron dot diagram, each dot represents a(an) _________.
A
valence electrons
B
ions
C
periods
D
shared electrons
8) A cation has a ______ charge.
A
negative
B
positive
C
neutral
D
both positive and negative
9) In lithium fluoride, which element forms the anion?
A
oxygen
B
lithium
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
argon, neon, calcium
D
boron, hydrogen, oxygen
*select an answer for all questions
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