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WorksheetsChemistry Test Review
Total questions: 37
Worksheet time: 35mins
Name
Class
Date
1.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
2.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
3.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
4.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
5.
A proton is....
a)
A negatively charged subatomic particle
b)
A positively charged subatomic particle
c)
A neutrally charged subatomic particle
d)
The only subatomic particle located in the nucleus
6.
A neutron has a charge of
a)
+2
b)
No charge
c)
-1
d)
+1
7.
The simplest substance is..?
a)
Carbon
b)
An element
c)
Water
d)
A simple compound
8.
The basic unit of matter is
a)
a mixture
b)
a substance
c)
an atom
d)
a compound
9.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
10.
Which of these is not an example of a molecule?
a)
CH4
b)
C
c)
C6H12O6
d)
H2O
11.
Which of these is a mixture?
a)
Uncooked chocolate chips and cookie dough blended together with a spoon.
b)
Distilled water
c)
A nugget of gold
d)
A molecule of Oxygen
12.
Atoms of an element always have a certain number of
a)
neutrons
b)
protons
c)
electrons
d)
ions
13.
Two or more elements chemically combined:
a)
an atom
b)
a compound
c)
a mixture
d)
a pure substance
14.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
15.
mixture that does NOT appear to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
16.
This picture represents which of the following?
a)
Element
b)
Compound
c)
Mixture
17.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
18.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
19.
What is a solvent
a)
A liquid that will dissolve a solid solute
b)
Another word for solution
c)
A thing that make drinks change colour
d)
Usually the solid about to be dissolved
20.
The ___ is the thing being dissolved.
a)
solute
b)
solvent
c)
mixture
d)
solution
21.
At 30'C, which substance has the lowest solubility?
a)
KNO3
b)
KBr
c)
NaCl
d)
Yb2(SO4)3
22.
At which temperature do KBr and KNO3 have the same solubility?
a)
60
b)
55
c)
50
d)
Never
23.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
24.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
25.
How does a solution become supersaturated?
a)
dissolve lots of solvent in it.
b)
dissolve a little solute in it.
c)
dissolve more solute than you should be able to.
d)
dissolve a super amount of solvent in it.
26.
Ice melting
a)
Chemical Change
b)
Physical Change
27.
Wood burned in a fireplace
a)
Chemical Change
b)
Physical Change
28.
Cake batter baked in an oven
a)
Chemical Change
b)
Physical Change
29.
Blue liquid and yellow liquid mixed to make a green liquid
a)
Chemical Change
b)
Physical Change
30.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
31.
Glass bottle that is shattered
a)
Chemical Change
b)
Physical Change
32.
Copper roof changing color
a)
Chemical Change
b)
Physical Change
33.
Shredding a piece of paper
a)
Chemical Change
b)
Physical Change
34.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
35.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
36.
Which of the following IS a chemical change
a)
using chalk
b)
water freezing
c)
slicing cheese
d)
digestion
37.
How many carbons are in C6H12O6?
a)
12
b)
6
c)
1
d)
0
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