WorksheetsChemistry Quiz
Total questions: 35
Worksheet time: 18mins
What is a substance made of two or more elements that are chemically combined called?
A. element
B. compound
C. mixture
D. solution
Is salt (NaCI) a compound or an element?
Compound
element
What is the definition of a compound?
The smallest part of any substance which can exist on its own
Two or more elements that can be separated
A simple substance in which all the atoms are the same
Two or more different elements chemically joined together
Solutions
A substance made of the same type of atom is called ...
a solution.
a mixture.
an element.
a compound.
What is an example of a mixture?
Table salt
Carbon dioxide
Oxygen
All the gases in the air
A substance that contains only one type of atom is
a compound
an element
a solution
a mixture
A compound is made of ________ atoms.
big
similar
different
Carbon Dioxide is a ...
Solution
True or false: Air is a mixture.
true
false
What is the element symbol of carbon?
CA
C
Ca
Cn
What is the element symbol of calcium?
Cl
Ca
C
Cm
What is the element symbol of hydrogen?
Hy
H
Hr
Hn
What is the element symbol of gold?
Go
Gl
AG
Au
What does the atomic number tell you about the atom?
Which particle has a negative charge?
proton
neutron
electron
Which particle has no charge (neutral)?
proton
neutron
electron
Which subatomic particle moves around the outside of the nucleus of an atom?
What is the atomic number of carbon?
7
13
6
19
What is the mass number of carbon?
7
6
13
19
Water is a ...
solute
solvent
solution
solute + solvent =
solution
equation
Sugar is a ...
solvent
solute
Solutes dissolve quicker in _________ water.
cold
warm
The periodic table shows you all of the discovered ...
Compounds
Elements
Solutions
Mixtures
What is the name of this separating technique?
Freezing
Evaporation
Filtration
Melting
This dish has a solution of salt water. What will happen to the water when heat is applied?
It will freeze
It will evaporate
It will melt
It will get cold
