WorksheetsAtoms & Molecules
Total questions: 17
Worksheet time: 14mins
Name
Class
Date
1.
Which of these items is made up of one or more molecules?
a)
Gold
b)
Hydrogen
c)
Salt
d)
Neon
2.
Elements are made of
a)
many types of atoms
b)
the periodic table
c)
one type of atom
d)
molecules
3.
All matter is made of
a)
energy
b)
atoms
c)
electrons
d)
compounds
4.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
5.
What is the basic unit of matter and is the smallest particle of an element?
a)
Atoms
b)
Elements
c)
Compounds
d)
Molecules
6.
How many atoms are there in a molecule?
a)
no atoms
b)
1 or more atoms
c)
2 to thousands of atoms
d)
exactly 18 atoms
7.
Two or more atoms chemically bonded together are called a
a)
atom
b)
element
c)
molecule
d)
mixture
8.
Which one of these items is NOT a solid with a repeating pattern?
a)
butter
b)
salt
c)
snowflake
d)
diamond
9.
How many carbon atoms are there in a methane molecule?
a)
0
b)
1
c)
4
d)
5
10.
How many hydrogen atoms are there in a water molecule?
a)
0
b)
1
c)
2
d)
3
11.
The repeating structure of table salt is in the shape of a
a)
pyramid
b)
snowflake
c)
hexagon
d)
cube
12.
What is the total number of atoms in an ammonia (NH3) molecule?
a)
1
b)
2
c)
3
d)
4
13.
Carbon dioxide (CO2) contains how many atoms of oxygen?
a)
0
b)
1
c)
2
d)
3
14.
What type of molecule does this picture show?
a)
hydrogen peroxide
b)
water
c)
carbon monoxide
d)
sugar
15.
Which one of these items has an extended structure with a pyramid shape?
a)
diamond
b)
gold
c)
glass
d)
salt
16.
When there is no subscript after an element's symbol, it means there are how many atoms of that element?
a)
0
b)
1
c)
2
d)
unknown
17.
How many hydrogen atoms are in a molecule of glucose/sugar (C6H12O6)?
a)
6
b)
12
c)
18
d)
24
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