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WorksheetsAydin Ch 11 Science
Total questions: 11
Worksheet time: 12mins
Name
Class
Date
1.
What are valence electrons?
a)
sum of the protons and neutrons
b)
protons minus electrons
c)
electrons in the inner shells
d)
electrons in the outer shell
2.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
3.
Elements that have atoms with full valence shells in the ground state are in
a)
Group 1
b)
Group 2
c)
Group 17
d)
Group 18
4.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
5.
Covalent bonds usually form when a nonmetal combines with a(an) METAL.
a)
True
b)
False
6.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
7.
A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons is a _______________.
a)
nonpolar molecule
b)
polar molecule
c)
ionic compound
d)
metalic compound
8.
Atoms of a polar molecule share their atoms ___________.
a)
Equally
b)
Unequally
9.
In an electron dot diagram, two pairs of shared electrons represents a ...
a)
single bond
b)
double bond
c)
triple bond
d)
quadruple bond
10.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
11.
a)
2
b)
8
c)
3
d)
13
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