WorksheetsMolecules Quiziz
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
made up of atoms of two or more different elements joined together by chemical bonds
a)
molecule
b)
element
c)
atom
d)
compound
2.
What is the term for combining 2 or more DIFFERENT atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
3.
A single hydrogen atom is a molecule.
a)
TRUE
b)
FALSE
4.
H₂O is a compound.
a)
TRUE
b)
FALSE
5.
Elements are made of
a)
many types of atoms
b)
the periodic table
c)
one type of atom
d)
molecules
6.
All matter is made of
a)
energy
b)
atoms
c)
electrons
d)
compounds
7.
Are these molecules also compounds?
a)
YES
b)
NO
8.
How many carbon atoms are there in a methane molecule?
a)
0
b)
1
c)
4
d)
5
9.
How many hydrogen atoms are there in a water molecule?
a)
0
b)
1
c)
2
d)
3
10.
Are these molecules also compounds?
a)
YES
b)
NO
11.
What is the picture displayed?
a)
atom
b)
element
c)
compound
12.
Are these molecules also compounds?
a)
YES
b)
NO
13.
What do we call a substance consisting of a single atom?
a)
coefficient
b)
element
c)
compound
d)
molecule
14.
O2 is a compound molecule.
a)
TRUE
b)
FALSE
15.
Which of the following is NOT a compound?
a)
HCl
b)
Cl2
c)
NaCl
d)
CO2
16.
Which of the following represents an element molecule?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
17.
Both elements and compounds are pure substances.
a)
True
b)
False
18.
a)
Element
b)
compound molecules
c)
elemental molecules
d)
Mixture
19.
This picture represents which of the following?
a)
elemental molecule
b)
compound molecule
20.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
100 %
