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WorksheetsIPC 2019 Spring Semester Review
Total questions: 96
Worksheet time: 2hrs 48mins
6MgF2
What are the reactants in the above reaction?
H20 → H2 + O2
The law of conservation of mass states that matter cannot be created nor __________________.
H2 + O2 -> H2O
H2 + O2 -> H2O
H2 + O2 -> H2O
_ H2 + O2 -> 2 H2O
Al + O2 --> Al2O3
N2 +3 H2 --> 2NH3
__Ag2O →__ Ag +___O2
There are 24 cm3 Find the total mass.
How many valence electrons does carbon have?
4
5
6
7
This could be the dot diagram of
Mg
Cl
C
O
What is the mass number?
The sum of the protons and neutrons
The average of the isotopes that exist in nature
The sum of the protons and electrons
The difference between the mass and atomic number
The total number of protons, and the identity of an elements is...
atomic mass
mass number
electrons
atomic number
A positively charged ion
Anion
Cation
Proton
All atoms of the same element have the same number of...
Electrons
Neutrons
Protons
Mn2+
cation
anion
what is the biggest group on the table
metals
nonmetals
metaloids
halogens
how many rows are on the table
4
5
6
7
what is the name of group number 2
transition metals
halogens
metaloids
alkaline earth
what group number are the halogens
18
1
2
17
what group number are the noble gases
17
18
14
15
what is the small group of elements called that include C,N,O
metals
nonmetals
metaloids
noble gases
Which of the following is not a clue that a chemical reaction has taken place?
Changing size
Changing color
A gas being formed
Formation of a precipitate
How much KNO3 solute is saturated at 40 degrees?
75
55
65
85
At what temperature can you fully dissolve 140g of NaNO3?
62
73
81
You cannot determine this
What type of a solution is 100g KNO3 at 40ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
What type of a solution is 260g sugar at 50ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
What type of a solution is 25g NaCl at 70ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
What type of a solution is 55g KCl at 70ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
What type of a solution is 55g KCl at 70ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
What type of a solution is 60g NaNO3 at 40ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
Which solute is MOST likely a gas?
KNO3
NaNO3
KCl
Ce2(SO4)3
At what temperature can you fully dissolve 120g of NaBr?
70
20
100
You cannot determine this
