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Chemical Bonding
Test Description: Complete the review questions about chemical bonding.
Instructions: Answer all questions to get your test result.
1) An ion is created when ________________________ are added or removed.
A
protons
B
protons and neutrons
C
neutrons
D
electrons
2) Ionic bonds form because the atoms involved have-
A
different charges
B
similar electron arrangements
C
a repulsion force between the electrons in the outershell
D
similar charges
3) An atom of this element would have a very easy time losing one electron to form an ionic bond with an atom of an element that would easily accept it:
A
Ar
B
F
C
K
D
Mg
4) Ionic bonds, like all chemical bonds, form in order to make the new substance formed
A
less stable
B
chemically non-reactive
C
more ionized
D
more stable
5) Which chemical formula shows how atoms of the elements calcium (Ca) and sulfur (s) would join together ionically?
A
CaS2
B
CaS
C
Ca2S
D
Ca2S3
6) When a covalent bond forms between atoms, electrons are
A
shared
B
gained
C
lost
D
transferred
7) A covalent bond will usually form between
A
metals
B
a metal and a non-metal
C
non-metals
D
noble gases
8) When covalent bonds form between two atoms, both atoms' outer shells
A
will easily give up electrons in order to become more stable
B
require additional electrons to become full
C
become ionized
D
are full of electrons
9) Atoms of elements that bond covalently with other atoms want to ______________________ the electrons they already have.
A
gain
B
keep
C
ionize
D
lose
10) Atoms on the left side of the periodic table typically form _____ bonds but not _____ bonds with other atoms.
A
ionic, covalent
B
ionized, covalent
C
covalent, ionic
D
covalent ionized
*select an answer for all questions
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