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WorksheetsUnit 1.5 Test Review 2019
Total questions: 35
Worksheet time: 25mins
How many protons does Fluorine have? (group 17)
9
10
19
18
How many neutrons does Argon have? (group 18)
18
22
39
40
How many protons, electrons, and neutrons does potassium have? (group 1)
p=19, e=20, n=19
p=19, e=19, n=39
p=19, e=19, n=19
p=19, e=19, n=20
How many protons, electrons, and neutrons does Aluminum have? (group 13)
p=13, e=13, n=13
p=13, e=14, n=13
p=13, e=13, n=14
p=13, e=13, n=27
Fill in the blanks for Silicon.
Group #____, Period #____, M/NM/MD____
14, 3, MD
3, 14, MD
4, 2, NM
14, 3, NM
How many oxygen atoms are in formula Na2O?
0
1
2
3
What type of elements make positive ions?
Nonmetals
Metalloids
Metals
Noble Gases
What is the name for negative ions?
Cations
Anions
Electrons
Nucleus
How many Sodium atoms are in the formula Na3(PO4)
1
3
4
8
What is the formula when aluminum and oxygen combine?
AlO
Al3O2
Al2O3
OAl
What is the formula when Iron (III) and chlorine combine?
FeCl3
FeCl
Fe3Cl
Fe2Cl3
What is the formula when calcium and carbonate combine?
CaC
Ca4C2
Ca2(CO3)2
Ca(CO3)
What is the formula when magnesium and nitrate combine?
Mg(NO3)2
Mg2(NO3)
Mg3N2
Mg2N3
Name the following compound: NaCl
Sodium chlorine
Sodium chloride
Sodium (I) chlorine
Sodium (I) chloride
Name the following compound: Ca(SO4)
Calcium sulfide
Calcium (I) sulfide
Calcium sulfate
Calcium (II) sulfate
Name the following compound: Cr2O3
Chromium oxygen
Chromium oxide
Chromium (II) oxide
Chromium (III) oxide
What is the correct formula for: Aluminum phosphate
AlP
Al3P3
Al3(PO4)3
Al(PO4)
What is the correct formula for: Gold (II) iodide
AuI2
AgI2
Au2I
Ag2I
What is the correct formula for: potassium nitride
K(NO3)
K(NO2)
KN
K3N
In the following balanced equation, what would be the coefficient in front of Cl2?
1H2 + ____Cl2 --> 2HCl
0
1
2
3
In the following balanced equation, what would be the coefficient in front of MgO?
2Mg + 1O2 --> ____MgO
0
1
2
4
In the following balanced equation, what would be the coefficient in front of H2?
1O2 + ____H2 --> 2H2O
0
1
2
4
In the following balanced equation, what would be the coefficient in front of O2?
2HgO --> 2Hg + ____O2
0
1
2
4
In the following balanced equation, what would be the coefficient in front of Ca?
____Ca + 2H2O --> 1Ca(OH)2 + 1H2
0
1
2
4
How many total Lithium atoms are in the formula: 3Li2O
2
3
5
6
How many total oxygen atoms are in the formula: 6H2O
1
2
6
12
How many total atoms are in the following: 4CaCl2
2
4
8
12
What are the coefficients in the following balanced equation:
____N2 + ____H2 --> ____NH3
2, 3, 1
1, 3, 2
1, 1, 1
2, 1, 3
What are the coefficients in the following balanced equation?
____Al + ____O2 --> ____Al2O3
4, 3, 2
2, 3, 1
2, 3, 2
1, 1, 1
What area of the Earth provides metals?
Atomosphere
Lithosphere
Hydrosphere
Biosphere
What is the molar mass of K2S?
63.03 g/mol
56.78 g/mol
71.16 g/mol
110.26 g/mol
What is the molar mass of F2?
9.00 g/mol
18.00 g/mol
19.00 g/mol
38.00 g/mol
Substances that exist BEFORE a chemical reaction has taken place?
Reactants
Products
Formulas
Equations
Identify the products in the following equation:
Cu + O2 --> CuO
Cu + O2
-->
CuO
According to the Law of Conservation of Mass, mass cannot be ___________ or _____________ in a chemical reaction.
used or reused
the same or less than
created or destroyed
balanced or calculated
