Font size
S
M
L
XL
Worksheets2nd 9 weeks review Game
Total questions: 98
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
Helium has ......valence electrons.
a)
8
b)
2
c)
2
d)
1
2.
This group is called the...
a)
actinides
b)
alkaline earth metals
c)
halogens
d)
transition metals
3.
This group is non-reactive.
a)
noble gases
b)
halogens
c)
transition metals
d)
alkali metals
4.
This group are good conductors, shiny, malleable, and ductile.
a)
non-metals
b)
metals
c)
metalloids
d)
semiconductors
5.
This group is named the ...?
a)
Alkaline Earth Metals
b)
Alkali Metals
c)
Noble Gases
d)
Carbon Group
6.
The group number gives you the number of ....?
a)
Electrons
b)
Energy Levels
c)
Valence Electrons
d)
Protons
7.
Mendeleev arranged the periodic table by...?
a)
color
b)
increasing atomic mass
c)
increasing atomic number
d)
density
8.
What is the name of this period of elements?
a)
Alkaline Earth Metals
b)
Transition metals
c)
Actinides
d)
Lanthanides
9.
What is the
name of this group?
name of this group?
a)
Transition Metals
b)
Halogens
c)
Alkaline Earth Metals
d)
Alkali Metals
10.
Who is known as the father of the Periodic Table?
a)
Henry Mosely
b)
Dmitri Mendeleev
c)
JJ Thomson
d)
John Dalton
11.
KOH + H3PO4 --> K3PO4 + H2O
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
12.
What is the left part of a chemical equation called...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
13.
What is the right part of a chemical equation called...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
14.
What is the arrow in a chemical equation...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
15.
Is this balanced?...
Fe + S --> FeS
Fe + S --> FeS
a)
YES!
b)
NO!
16.
Balance this equation...
HgO --> 2Hg + O2
HgO --> 2Hg + O2
a)
It is balanced
b)
2HgO --> Hg + O2
c)
2HgO --> 2Hg + O2
17.
Is this balanced?...
Al + O2 --> 2Al2O3
Al + O2 --> 2Al2O3
a)
Yes!
b)
NO!
18.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
19.
Balance the problem: N2 + O2 --> NO
a)
N2 + O2 --> 2NO
b)
2N2 + O2 --> 2NO
20.
Which of the Following Correctly Balances this Equation?
_H2+_Cl2 --> _HCl
_H2+_Cl2 --> _HCl
a)
2H2 + Cl2 --> 4HCl
b)
H2+Cl2 --> 2HCl
c)
3H2 + 3Cl2 --> HCl
d)
H + Cl --> HCl
21.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
22.
What is the elemental symbol of the element found in Group 7A, Period 4 of the Periodic Table?
a)
Lithium
b)
Bromine
Bromine
Bromine
c)
Manganese
d)
Rutherfordium
23.
Use the table given to determine which pair of elements would react similarly.
a)
Boron (B) and Carbon (C)
b)
Carbon (C) and Aluminum (Al)
c)
Aluminum (Al) and Silicon (Si)
d)
Boron (B) and Aluminum (Al)
24.
Use the table below to determine which element has 6 protons in its nucleus.
a)
carbon
b)
boron
c)
alluminum
d)
silicon
25.
At which location on the Periodic table are metalloids found?
a)
1
b)
2
c)
3
d)
4
26.
A portion of the periodic table is shown. Which pair of elements have the same number of valence electrons and would react similarly?
a)
Boron (B) and Carbon (C)
b)
Carbon (C) and Aluminum (Al)
c)
Boron (B) and Aluminum (Al)
d)
Aluminum (Al) and Silicon (Si)
27.
If an atom has 26 proton and 30 neutrons, what element is it?
a)
Be
b)
Ba
c)
Zn
d)
Fe
28.
Use your Periodic Table to determined which element is in the same group as Calcium.
a)
Potassium
b)
Beryllium
c)
Krypton
d)
Hydrogen
29.
The columns that go up and down on the Periodic Table are called:
a)
Columns
b)
Groups
c)
Section
d)
Periods
30.
The rows that go left to right on the Periodic Table are called:
a)
Columns
b)
Groups
c)
Section
d)
Periods
31.
Use the diagram provided to answer the questions. Would an atom of this element tend to want to gain or lose electrons?
a)
gain electrons
b)
lose electrons
c)
neither gain nor lose electrons
d)
it depends on the number of protons
32.
Use the diagram provided to answer the questions. Which part of the this atom determines its reactivity?
a)
1
b)
2
c)
3
d)
2 and 3
33.
Which particle does not contribute mass to the atom?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
34.
What element is this an atom of?
a)
nitrogen
b)
lithium
c)
beryllium
d)
carbon
35.
What are the two main parts of the atom?
a)
nucleus and cytoplasm
b)
nucleus and electron cloud
c)
core and electron cloud
d)
protons and neutrons
36.
The central region of an atom where its neutrons and protons are is called the
a)
nucleus
b)
electron cloud
c)
core
d)
center
37.
Neutrons are
a)
negative
b)
positive
c)
neutral
d)
cows
38.
How many neutron are in the atom "K"?
a)
7
b)
2
c)
39
d)
20
39.
How many the electrons does "Al," aluminum, have?
a)
5
b)
10
c)
13
d)
3
40.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
41.
Which of the following sequences of elements would all have four valence electrons?
a)
Li, Be, B, C
b)
Be, Mg, Ca, Sr
c)
K, Ca, Sc, Ti
d)
C, Si, Ge, Sn
42.
What is rate of reaction?
a)
How fast a reaction is
b)
How big a reaction is
c)
How loud a reaction is
d)
How much gas a reaction produces
43.
What does a catalyst do?
a)
Stabilises a reaction
b)
Increases the rate of reaction
c)
Cools the reaction down
d)
Increases the concentration of the reaction
44.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
45.
In an endothermic reaction, heat is ,,,
a)
taken in
b)
given out
46.
This helps to speed up a reaction but does not take part in the chemical reaction.
a)
coeffiecents
b)
reactants
c)
catalyst
d)
combustion
47.
In an exothermic reaction the products have
a)
more energy than the reactants
b)
the same energy as the reactants
c)
less energy than the reactants
d)
no energy
48.
In an endothermic reaction the products have
a)
more energy than the reactants
b)
less energy than the reactants
c)
the same energy as the reactants
d)
no energy
49.
The minimum amount of energy required for a reaction to proceed.
a)
activation energy
b)
exothermic energy
c)
endothermic energy
d)
catalyst
50.
Increasing concentration increases reaction rate due to more collisions.
a)
True
b)
False
51.
The energy in the reactants of a chemical reaction is higher than the energy in the products. Which type of reaction is this?
a)
endothermic
b)
exothermic
52.
The energy in the products of a chemical reaction is higher than the energy in the reactants. Which type of reaction is this?
a)
endothermic
b)
exothermic
53.
a)
endothermic reaction
b)
exothermic reaction
54.
a)
energy was absorbed
b)
energy was released
55.
C represents
a)
energy absorbed
b)
energy released
c)
activation energy
56.
The Law of Conservation of Energy states:
a)
Energy can be created or destroyed but not transformed
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
57.
Which of the following is hydrogen (H)?
a)
Metal
b)
Nonmetal
c)
Metalloid
58.
Which of the following is helium (He)?
a)
Metal
b)
Nonmetal
c)
Metalloid
59.
A covalent bond is a bond between a _____ and a ______
a)
metal, nonmetal
b)
metal, metal
c)
nonmetal, nonmetal
60.
A covalent bond is formed when two atoms ____ electrons
a)
share
b)
lose
c)
transfer
d)
gain
61.
What is it called when atoms share one pair of electrons?
a)
A double bond
b)
A triple bond
c)
A quadruple bond
d)
A single bond
62.
Which type of bond transfers electrons?
a)
Covalent bond
b)
Ionic bond
63.
What bond is formed between a nonmetal and a nonmetal?
a)
Covalent bond
b)
Ionic bond
64.
What bond is formed between a metal and a nonmetal?
a)
Covalent bond
b)
Ionic bond
65.
Gold is a
a)
Metal
b)
Nonmetal
66.
Covalent bonds and Ionic bonds are both similar in what way
a)
They are both bonds
b)
They are both elements
67.
Si + S8 --> Si2S4
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
68.
Ca + AlCl3 --> CaCl2 + Al
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
69.
KOH + H3PO4 --> K3PO4 + H2O
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
70.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
71.
C3H8 + O2 --> H2O + CO2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
72.
Mg + N2 --> Mg3N2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
73.
NO2 --> N2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
74.
What is the little number after an element in a chemical equation called.
Example: H2
Example: H2
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
75.
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
76.
Balance this equation
Cl2 + KI --> I2 + KCl
Cl= Cl=
K= K=
I= I=
Cl2 + KI --> I2 + KCl
Cl= Cl=
K= K=
I= I=
a)
Cl2 + KI --> I2 + 4KCl
b)
Cl2 + 2KI --> I2 + 2KCl
c)
3Cl2 + KI --> I2 + 3KCl
d)
2Cl2 + 2KI --> I2 + 2KCl
77.
In this image, the information in red is called the_______.
a)
Product
b)
Reactant(s)
c)
Chemical Subscript
78.
In this image, the information to the right of the arrow (in black) is called the_______.
a)
Product
b)
Reactant
c)
Chemical Subscript
79.
Read the following chemical formula: C6H12O6. How many hydrogen atoms are in the formula?
a)
12
b)
6
c)
4
80.
You mix lemon juice and baking soda. The temperature drops on the thermometer. This is a ______reaction.
a)
Exothermic
b)
Endothermic
c)
Ionic
81.
H2O is the chemical formula for ______.
a)
Salt
b)
Water
c)
Vinegar
82.
What type of reaction is this?
a)
Endothermic
b)
Exothermic
c)
Isotopic
d)
Elemental
83.
____________is impacting the chemical reaction in this image
a)
Temperature
b)
Catalysts
c)
Concentration
84.
The raw potato in the image is chemically reacting with the help of _________
a)
Temperature
b)
Catalysts (Enzymes)
c)
Light
d)
Heat
85.
The ______________is required to break the bonds of the reactants.
a)
Activation energy
b)
Plutonic energy
c)
Carbonic energy
d)
Heliocentric energy
86.
In an endothermic reaction the products have
a)
more energy than the reactants
b)
less energy than the reactants
c)
the same energy as the reactants
d)
no energy
87.
In an exothermic reaction the products have
a)
more energy than the reactants
b)
the same energy as the reactants
c)
less energy than the reactants
d)
no energy
88.
C represents
a)
energy absorbed
b)
energy released
c)
activation energy
89.
What is the Law of Conservation of mass?
a)
Mass is created in a chemical reaction
b)
Mass is created in a physical change
c)
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
d)
Mass is never created or destroyed
90.
The number to the lower side of an element is a
a)
Subscript
b)
Superscript
c)
Coefficient
d)
Charge
91.
O3 ---> O + O2
a)
Synthesis
b)
Single Replacement
c)
Decomposition
d)
Combustion
92.
P4 + 3 O2 ---> 2 P2O3
a)
Single Replacement
b)
Combustion
c)
Synthesis
d)
Decomposition
93.
The coefficient in 3H2O is
a)
6
b)
2
c)
3
d)
5
94.
A precipitate is a
a)
liquid that forms when two solids are reacted
b)
a solid that forms when two liquids are mixed
c)
a gas that forms when vinegar and baking soda react
d)
a change of color in a solution
95.
In a reaction A + B ----> C, reactant A has 5g and product C has 9g. How many grams does reactant B should have?
a)
4g
b)
5g
c)
9g
d)
14g
96.
The number in front of a compound or element is a
a)
Subscript
b)
Coefficient
c)
Superscript
d)
Charge
97.
This type of system allows matter to flow freely in and out...
a)
Closed System
b)
Open System
98.
A boiling pot with a lid on it to keep in the energy is what type of system?
a)
Closed System
b)
Open System
Reset
