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WorksheetsMYP 2_Chemistry_Unit 3_Material Changes_Pre-test
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
Carbon
a)
CA
b)
C
c)
Ca
d)
Cn
2.
Sn
a)
tin
b)
sulfur
c)
iron
d)
sodium
3.
Matter is anything that has ________ and volume.
a)
mass
b)
volume
4.
Each element is made up of its own kind of _______ .
a)
atoms
b)
block
5.
How many different elements are there?
a)
10
b)
50
c)
100
d)
118
6.
The nucleus of an atom is made of ________ and ________ .
a)
protons + neutrons
b)
electrons + protons
7.
Electrons have a ________ charge.
a)
positive +
b)
negative -
c)
no
8.
Protons have a ________ charge.
a)
positive +
b)
negative -
c)
no
9.
Neutrons have ___________ charge.
a)
positive +
b)
negative -
c)
no
10.
Compounds are made up of two or more atoms physically combined.
a)
True
b)
False
11.
The properties of the elements that make up a compound are usually very similar to the compound itself.
a)
True
b)
False
12.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
13.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
14.
Does this picture show a compound?
a)
No
b)
Yes
15.
Can compounds be found in the periodic table?
a)
Yes
b)
No
16.
Which of the substances below is a compound?
a)
ink
b)
air
c)
oxygen
d)
salt
17.
How many carbon atom/s are present in the compounds CaCO3?
a)
1
b)
2
c)
3
d)
4
18.
Air is a compound.
a)
True
b)
False
19.
What is a combination of 2 or more substances that keep their identities?
a)
physical property
b)
mixture
c)
physical change
d)
chemical change
20.
What is a mixture in which all the parts are EVENLY mixed?
a)
energy
b)
beaker
c)
solution
d)
salad
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