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WorksheetsUnit 3 LT 2-3
Total questions: 23
Worksheet time: 13mins
Name
Class
Date
1.
One particle of H2O is an example of
a)
Atom
b)
Molecule
c)
Element
d)
Proton
2.
All matter is made of _________.
a)
energy
b)
atoms
c)
electrons
d)
compounds
3.
A substance that is made up for one type of atom is called an:
a)
atom
b)
element
c)
compound
d)
mixture
4.
Which of the following is NOT matter
a)
air
b)
heat
c)
steam
d)
cow
5.
Which has only one type of atom?
a)
Element
b)
compound
6.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
7.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
8.
What is the smallest particle of matter?
a)
atom
b)
element
c)
molecule
d)
compound
9.
What is made up of one or more of the same type of atom?
a)
atom
b)
element
c)
molecule
d)
compound
10.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
11.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
12.
What is matter?
a)
Volume of an object
b)
Anything that has mass and takes up space
c)
Mass of an object
d)
Space of an object
13.
What is the chemical symbol for Chlorine
a)
C
b)
Cl
c)
Ch
d)
Ce
14.
Matter always has mass.
a)
true
b)
false
15.
What is the smallest?
a)
worm
b)
molecule
c)
galaxy
d)
atom
16.
How many Hydrogen atoms are in Water (H2O)
a)
1
b)
2
c)
3
d)
4
17.
Anything that has mass and takes up space is called
a)
heterogeneous
b)
homogeneous
c)
matter
d)
density
18.
Molecules often have different properties from those of the
a)
elements that make them
b)
protons that make them
c)
crystals that make them
19.
What is the chemical symbol for Calcium?
a)
C
b)
Ca
c)
Cl
20.
What is the chemical symbol for carbon?
a)
C
b)
Ca
c)
Cb
21.
What is the chemical symbol for nitrogen?
a)
Ni
b)
Nt
c)
N
22.
What is the chemical symbol for oxygen?
a)
Ox
b)
O
c)
Oy
23.
What is a molecule?
a)
the most complex unit of a chemical substance which does not retain the properties of the substance
b)
the simplest unit of a chemical substance which is made of a group of two or more atoms
c)
the most complex unit of a chemical substance which retains the properties of the substance
d)
the simplest unit of a chemical substance which is made only of one atom
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