Worksheets4.3 Warm-up: Covalent Bonding
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
In covalent bonds, electrons are ___________.
a)
transferred
b)
gained
c)
lost
d)
shared
2.
In a polar covalent bond, electrons are shared ___________.
a)
equally
b)
unequally
c)
between non-metals with similar electronegativities
d)
between a metal and a non-metal
3.
Electronegativity is a measurement of the ability of a nucleus to...
a)
attract bonding electrons
b)
attract other nuclei
c)
attract elenece in the non-valence energy levels
4.
The most electronegative atom in the periodic table is:
a)
Fluorine
b)
Helium
c)
Neon
d)
Francium
5.
This is an example of a __________ bond.
a)
non-polar covalent
b)
polar covalent
c)
ionic
d)
metallic
6.
A bond with a partially negative end and a partially positive end is:
a)
ionic
b)
polar
c)
non-polar
d)
isometric
7.
A diatomic molecule like O2 is always_______ because electrons are shared ________.
a)
nonpolar; equally
b)
polar; equally
c)
nonpolar; unequally
d)
polar; unequally
8.
The electrons in a nonpolar covalent molecule are shared...
a)
Evenly
b)
Unevenly
c)
Electrons are not shared
d)
None of the Above
9.
The polarity of a bond is determined by...
a)
The sum of the electronegativities of the two atoms
b)
The difference in the electronegativities of the two atoms
c)
The charges of the atoms
d)
None of the Above
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