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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
transferred
C
shared
D
exchange energy
2) The chemical name for CO3
A
Carbon Trioxide
B
Carbon Oxide
C
Carbon Monoxide
D
Carbon Dioxide
3) The Chemical formula for magnesium oxide is
A
MgO
B
Mg1O1
C
Mg2O
D
Mg2O 2-
4) An ionic bond forms between a _____ and ____ when electrons are transferred.
A
transition metal and metalloid
B
metal and metal
C
nonmetal and nonmetal
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
protons
B
neutrons
C
isotopes
D
electrons
7) In an electron dot diagram, each dot represents a(an) _________.
A
periods
B
ions
C
shared electrons
D
valence electrons
8) A cation has a ______ charge.
A
positive
B
negative
C
neutral
D
both positive and negative
9) In lithium fluoride, which element forms the anion?
A
lithium
B
fluorine
C
chloride
D
oxygen
10) Which of the following groups contain three elements with stable electron configurations?
A
boron, hydrogen, oxygen
B
helium, xeon, neon
C
lithium, krypton, argon
D
argon, neon, calcium
*select an answer for all questions
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