Worksheetsmolecules 1
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
The formula unit mass of Al2SO3 is
a)
236 u
b)
432 u
c)
342 u
d)
180 u
2.
What do we call a chemical substance made up of 2 or more different types atoms bonded together?
a)
formula
b)
atom
c)
subscript
d)
compound
3.
What do we call a substance consisting of a single atom?
a)
coefficient
b)
element
c)
compound
d)
molecule
4.
What are the basic building blocks for all matter?
a)
atoms
b)
elements
c)
compounds
d)
chemicals
5.
Two or more atoms chemically bonded together are called a
a)
atom
b)
element
c)
molecule
d)
mixture
6.
The symbol of Mercury is taken from its latin name:
a)
Cuprum
b)
Stibium
c)
Argentum
d)
Hydrargyrum
7.
Elements are made of
a)
many types of atoms
b)
the periodic table
c)
one type of atom
d)
molecules
8.
All matter is made of
a)
energy
b)
atoms
c)
electrons
d)
compounds
9.
An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?
a)
15
b)
31
c)
16
d)
47
10.
Which of the following is not a polyatomic ion?
a)
Sulphide
b)
Sulphite
c)
Sulphate
d)
Bisulphide
100 %
