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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 and neutrons
B
electrons
C
neutrons
D
protons
2) Ionic bonds form because the atoms involved have-
A
similar charges
B
similar electron arrangements
C
different charges
D
a repulsion force between the electrons in the outershell
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
K
B
Mg
C
F
D
Ar
4) Ionic bonds, like all chemical bonds, form in order to make the new substance formed
A
more ionized
B
less stable
C
more stable
D
chemically non-reactive
5) Which chemical formula shows how atoms of the elements calcium (Ca) and sulfur (s) would join together ionically?
A
Ca2S
B
CaS2
C
Ca2S3
D
CaS
6) When a covalent bond forms between atoms, electrons are
A
gained
B
lost
C
shared
D
transferred
7) A covalent bond will usually form between
A
a metal and a non-metal
B
metals
C
non-metals
D
noble gases
8) When covalent bonds form between two atoms, both atoms' outer shells
A
are full of electrons
B
require additional electrons to become full
C
will easily give up electrons in order to become more stable
D
become ionized
9) Atoms of elements that bond covalently with other atoms want to ______________________ the electrons they already have.
A
gain
B
lose
C
keep
D
ionize
10) Atoms on the left side of the periodic table typically form _____ bonds but not _____ bonds with other atoms.
A
covalent ionized
B
ionic, covalent
C
covalent, ionic
D
ionized, covalent
*select an answer for all questions
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