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WorksheetsUnit 6 Review
Total questions: 19
Worksheet time: 25mins
Name
Class
Date
1.
Determine the formula for this compound: phosphorous trichloride
a)
PCl3
b)
P3Cl
c)
P3Cl3
d)
PCL
2.
Covalent compounds form between
a)
Metal and Nonmetal
b)
2 Metals
c)
2 Nonmetals
d)
2 Metalloids
3.
Name this compound: P2O5
a)
Phosphorus Oxide
b)
Pentaphosphorus Dioxide
c)
Diphosphorous pentoxide
d)
Phosphoric Oxygen
4.
What is a double bond?
a)
a bond between two atoms
b)
one pair of electrons shared between two atoms
c)
two pairs of electrons shared between two atoms
d)
James Bond's brother
5.
Name this compound: SeF4
a)
Tetraselenium fluoride
b)
Selenium Fluoride
c)
Selenium tetraflouride
d)
Selenium (IV) Fluoride
6.
The chemical formula of dinitrogen textroxide is
a)
Ni₂O₄
b)
NiO
c)
N₂O₄
d)
NiO₂
7.
When two atoms share electrons, a chemical bond is formed. This type of bond is called:
a)
covalent bond
b)
ionic bond
c)
crystal bond
d)
polyatomic bond
8.
Identify the name for this compound: BrO3
a)
bromine oxide
b)
monobromine trioxide
c)
bromine trioxide
d)
bromine (III) oxide
9.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
10.
Covalent Bonds involve...
a)
transfer of electrons
b)
sharing of electrons
c)
teleportation of electrons
d)
changing charges / crisscrossing charges
11.
What are the formulas for the 7 diatomic molecules?
a)
H2, O2, F2, Br2, I2, N2, Cl2
b)
He2, N2, O2, F2, Cl2, Br2, I2
c)
H2, N2, O2, F2, Ne2, Ar2, Kr2
d)
H2, O2, F2, Br2, I2, Ne2, C2
12.
Which of the following compounds only contains covalent bonds?
a)
Sr(NO3)2
b)
CF4
c)
Fe3(PO4)2
d)
KOH
13.
What does the word octet mean?
a)
2
b)
4
c)
8
d)
16
14.
Determine the number of EACH TYPE of covalent bond in the compound below
a)
4 single bonds
b)
1 double bond, 2 single bonds
c)
2 double bonds, 1 single bond
d)
i triple bond, 2 double bonds
15.
How many electrons are shared in N2?
a)
3
b)
6
c)
7
d)
10
16.
How many lone pairs of electrons are in NF3?
a)
20
b)
3
c)
6
d)
10
17.
How many valence electrons does nitrogen have?
a)
3
b)
2
c)
5
d)
1
18.
Write the formula for:
chlorine trifluoride
chlorine trifluoride
a)
ClF3
b)
ClF
c)
Cl3F
d)
3ClF
19.
Which of the following are properties of covalent compounds?
a)
high melting point
b)
metal bonded to nonmetal
c)
conductor of electricity as a solid
d)
SOME are soluble
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