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Worksheets1WZ - Chem Review
Total questions: 37
Worksheet time: 19mins
Name
Class
Date
1.
Matter is anything that has _______ and occupies _________.
a)
mass, energy
b)
space, mass
c)
mass, space
d)
energy, the universe
2.
Objects that do not allow light to pass through are:
a)
lustrous
b)
translucent
c)
opaque
d)
clear
3.
An example of a liquid that is viscous is:
a)
water
b)
Pepsi Cola
c)
Gatorade
d)
corn oil
4.
A material that can be flattened into a thin sheet is:
a)
malleable
b)
ductile
c)
sweet
d)
brittle
5.
Which of the following is a chemical property?
a)
solubility
b)
combustibility
c)
ductility
d)
viscosity
6.
A piece of paper is burned
a)
physical change
b)
chemical change
7.
A rock is broken up with a hammer
a)
physical change
b)
chemical change
8.
Solutions of lead nitrate and potassium iodide are mixed and a yellow solid is observed
a)
physical change
b)
chemical change
9.
A piece of lead is flattened into a thin sheet
a)
physical change
b)
chemical change
10.
Water is evaporated from seawater leaving sea salt.
a)
physical change
b)
chemical change
11.
Which of the following is a clue that a new substance has formed?
a)
the substance gets bigger
b)
the substance breaks into 3 pieces
c)
a new solid forms
12.
Two solutions are mixed and a yellow solid is formed. The general name for the solid is:
a)
an aggregate
b)
a solid
c)
a precipitate
d)
iodine nitrate
13.
A specific type of chemical change that is very costly to society is:
a)
rusting of iron
b)
corrosion of gold
c)
food digestion
d)
corrosion of aluminum
14.
Which type of substance is responsible for the different colours of observed in fireworks?
a)
non-metals
b)
the oxidizer
c)
metals
d)
potassium nitrate
15.
pure water
a)
heterogeneous mixture
b)
homogenous mixture
c)
element
d)
compound
16.
sugar and flavour crystals dissolved in water
a)
heterogeneous mixture
b)
homogenous mixture
c)
element
d)
compound
17.
pure gold
a)
heterogeneous mixture
b)
homogenous mixture
c)
element
d)
compound
18.
a bowl of cereal with milk
a)
heterogeneous mixture
b)
homogenous mixture
c)
element
d)
compound
19.
Which of the following must be separated using chemical change?
a)
elements
b)
homogenous mixtures
c)
compounds
d)
heterogeneous mixtures
20.
__________ are the elements found to the left of the stepped line on the periodic table.
a)
metalloids
b)
non-metals
c)
group 17
d)
metals
21.
Which of the following is a metalloid?
a)
Na
b)
N
c)
C
d)
Si
22.
Which of the following is a property of non-metals?
a)
they are ductile
b)
they do not conduct electricity
c)
they are silver and shiny
d)
they conduct electricity
23.
Which of the following properties is a chemical property of the metal used in braces for teeth?
a)
It is relatively stiff
b)
It does not react with food or saliva
c)
It is somewhat flexible
d)
It must have some �spring� to force teeth into position
24.
In the baking soda, (NaHCO3) there are _____ atoms in total, but only ___ oxygen atoms
a)
6, 3
b)
3, 6
c)
7, 3
d)
7, 1
25.
Which pair of subatomic particles have the same mass?
a)
quarks and electrons
b)
electrons and neutrons
c)
protons and electrons
d)
neutrons and protons
26.
Which sub-atomic particle is negatively charged?
a)
neutron
b)
electrons and protons
c)
electrons
d)
protons
27.
Elements in column 1 have ____ electron(s) in their outer shell.
a)
1
b)
2
c)
6
d)
8
28.
An atom has 16 protons and 20 neutrons. It has an atomic number of __and a mass number of __
a)
16, 20
b)
20, 16
c)
36, 16
d)
16, 36
29.
A heterogeneous mixture has 1 visible region
a)
TRUE
b)
FALSE
30.
Apple juice is an example of a homogeneous mixture
a)
TRUE
b)
FALSE
31.
Elements in the same group or column on the periodic table do not have similar properties
a)
TRUE
b)
FALSE
32.
In order to see a pattern in the elements, Mendeleev arranged them according to their colour
a)
TRUE
b)
FALSE
33.
As you move across a row, from left to right, the atomic radius of each atom decreases.
a)
TRUE
b)
FALSE
34.
Metalloids are very similar to metals but not to non-metals
a)
TRUE
b)
FALSE
35.
Elements on the modern periodic table are arranged according to their atomic number.
a)
TRUE
b)
FALSE
36.
There are more non-metals than metals on the periodic table.
a)
TRUE
b)
FALSE
37.
Group 18 (on the far right) elements are all gases.
a)
TRUE
b)
FALSE
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