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WorksheetsChapter 2.1 and 2.2
Total questions: 20
Worksheet time: 29mins
Name
Class
Date
1.
Water is called the __________________ because so many substances dissolve in it.
a)
Neutral
b)
Universal Solution
c)
Universal Solvent
d)
Water Cycle
2.
A molecule that acts like a magnet ... one side positive, the other negative.
a)
Polar Molecule
b)
Nonpolar Molecule
c)
Atoms
d)
Polar Atoms
3.
When water molecules sticks to other water molecules.
a)
Adhesion
b)
Universal Solvent
c)
Cohesion
d)
Surface Tension
4.
When water molecules stick to other substances.
a)
Cohesion
b)
Polarity
c)
Adhesion
d)
Capillary Action
5.
The energy required to change water from liquid to vapor.
a)
Buoyancy
b)
Temperature
c)
Density
d)
Specific Heat
6.
In sodium chloride, sodium gives an electron to chlorine.
a)
True
b)
False
7.
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
8.
How many are shared in a single bond?
a)
2 pairs
b)
4
c)
2
d)
1
9.
How many are shared in a double bond?
a)
2
b)
4 pairs
c)
6
d)
4
10.
How many electrons are shared in a triple bond?
a)
6
b)
3
c)
6 pairs
d)
5
11.
How are ionic bonds formed?
a)
When atoms share an electron
b)
When opposite charged atoms attract
c)
When one atom takes a proton
d)
When one atom takes a neutron
12.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
13.
Is this image an example of covalent bonding?
a)
Yes
b)
No
14.
Outer shell electrons are called
a)
outer electrons
b)
valence electrons
c)
negatives
15.
With the ________ you must have 8 electrons on the outside ring.
a)
anions
b)
ionic bonds
c)
cations
d)
octet rule
16.
What does the solute dissolve in?
a)
solvent
b)
mixture
c)
solute
17.
What is a substance that is dissolved in another substance?
a)
solution
b)
solute
c)
solvent
d)
compound
18.
A mixture made of parts that separate upon standing is what type of mixture?
a)
suspension
b)
solution
c)
alloy
d)
colloid
19.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
20.
Which properties of water allow it to travel up the stems of plants in a process called capillary action?
a)
Adhesion and cohesion
b)
Cohesion and high specific heat
c)
High specific heat and heat of vaporization
d)
Density and Solubiity
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