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WorksheetsPS.3-5 SOL Review
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
The diagram above shows a block from the periodic table. The number six represents the —
a)
atomic mass of the element carbon.
b)
atomic number of the element carbon.
c)
number of neutrons in the element carbon.
d)
number of valence electrons in the element carbon.
2.
Which of these belongs in the outermost shell (energy level) of an atom?
a)
Electrons
b)
Protons
c)
Neutrons
d)
Photons
3.
Which of these minerals is a carbonate?
a)
Calcite (CaCO3)
b)
Galena (PbS)
c)
Gypsum (CaSO4)
d)
Magnetite (Fe3O4)
4.
Which of the following elements belongs to the family indicated?
a)
Nitrogen belongs to the halogen family.
b)
Helium belongs to the noble gas family.
c)
Calcium belongs to the alkali family.
d)
Sodium belongs to the alkaline earth family.
5.
In the chemical formula for ammonia, NH3, what does the subscript 3 represent?
a)
The number of nitrogen and hydrogen atoms in each molecule of ammonia.
b)
The number of hydrogen atoms in each molecule of ammonia.
c)
The number of ammonia molecules that will bond together.
d)
The number of nitrogen atoms in each molecule of ammonia.
6.
According to this equation, what happened to the carbon and oxygen?
C + O2 --> CO2
C + O2 --> CO2
a)
They combined chemically to form a new compound.
b)
They combined chemically to form carbon and oxygen.
c)
They combined physically to form a new mixture.
d)
They combined physically to form a new element.
7.
Calcium metal (Ca) can be produced by passing an electric current through molten calcium chloride (CaCl2). Chlorine gas (Cl2) is also formed. What is the balanced equation for this reaction?
a)
2CaCl → Ca + 2Cl
b)
CaCl2 + H2O → Ca + ClH + O2
c)
CaCl2 + Cl → Ca + Cl3
d)
CaCl2 → Ca + Cl2
8.
Which of the following are products of combustion?
a)
Heat and light
b)
Newly discovered elements
c)
Liquid and solid water
d)
Additional atoms
9.
What kind of bonding could be expected when carbon and sulfur form a compound?
a)
Covalent
b)
Hydrogen
c)
Ionic
d)
Metallic
10.
What kind of bonding could be expected when sodium and fluorine form a compound?
a)
Covalent
b)
Hydrogen
c)
Ionic
d)
Metallic
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