SNC1P- Mr. Scott
Unit 1 : Chemistry
Practice Test: Chemistry
1)The 3 types of particles that make up
an atom are:
a) electrons and protons and masitrons
b) neutrons and electrons and protons
c) protons and xenons and masitrons
d) protons and neutrons and fake-ons
2) The following WHMIS symbol stands for:
a) oxidizer
b) flammable
c) corrosive
d) poisonous
3) Viscosity, transparency and hardness are examples of:
a) chemical changes
b) physical changes
c) chemical properties
d) physical properties
4) If an element is shiny and a good conductor of heat
and electricity, it is likely to be a:
a) non-metal
b) metal
c) metalloid
d) any of the above
TRUE or FALSE
a) If you measure the length of an object, you have made a qualitative observation.
b) Less dense will float on more dense
c) When a substance is heated, its particles expand.
d) Particles of water from Huntsville are different from particles of
water from Bracebridge.
e) An independent variable is the variable controlled by the scientist
f) Sugar is a homogeneous mixture.
g) A physical property of alcohol is that it combusts when exposed
to oxygen and lit on fire.
h) An atom of carbon is smaller than an atom of hydrogen
j) All compounds are molecules but not all molecules are compounds.
k) The vast majority of elements are metals.
l) WHMIS stands for Workplace Hazardous Matter Intelligence System
m) The most reactive element groups are the Alkali Metals and Halogens
n) The Noble Gases tend to be unreactive
p) Li belongs in Group 1
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Fill in the Chart:
Element
Hydrogen
Atomic #
1
Atomic Mass
1
# protons
Lithium
7
3
Boron
11
5
Fluorine
19
Chemical Formula- ______________
# electrons
# neutrons
5
9
10
Chemical Formula- ______________