WorksheetsStructure of Matter
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
What is the basic unit of matter and is the smallest particle of an element?
a)
Atoms
b)
Elements
c)
Compounds
d)
Molecules
2.
Two or more atoms chemically bonded together are called a
a)
atom
b)
element
c)
molecule
d)
mixture
3.
How many carbon atoms are there in a methane molecule?
a)
0
b)
1
c)
4
d)
5
4.
How many hydrogen atoms are there in a water molecule? H20
a)
0
b)
1
c)
2
d)
3
5.
This is anything that has mass and takes up space (meaning it has a volume).
a)
matter
b)
mass
c)
element
d)
energy
6.
Elements are made of
a)
many types of atoms
b)
the periodic table
c)
one type of atom
d)
molecules
7.
All matter is made of
a)
energy
b)
atoms
c)
electrons
d)
compounds
8.
Is NO2 an element or a molecule?
a)
element
b)
molecule
9.
How many atoms/elements are in CaCO3?
a)
3
b)
4
c)
5
d)
6
10.
How many atoms/elements are in NO2?
a)
1
b)
2
c)
3
d)
4
11.
Is K an element or a molecule?
a)
element
b)
molecule
12.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
13.
Substance made of two or more different elements that chemically combine.
a)
Atom
b)
Element
c)
Compound
d)
Proton
14.
Which of the following is an example model of CH4?
a)
b)
c)
d)
None of these options
15.
How many carbon atoms are there in C3H12O5?
a)
1
b)
3
c)
12
d)
5
16.
How many sodium atoms are there in NaCl2?
a)
1
b)
2
c)
3
d)
4
17.
In crystals, atoms are arranged in an ordered [BLANK]
a)
Molecule
b)
Matter
c)
Compound
d)
Pattern
18.
What has atoms arranged in an ordered pattern?
a)
Protons
b)
Crystals
c)
Solids
d)
Matter
19.
How are elements different from atoms?
a)
Elements are made out of atoms
b)
Atoms are made out of elements
c)
Elements are made out of molecules
d)
Molecules are made out of atoms.
20.
Which one of these items has an extended structure with a pyramid shape?
a)
diamond
b)
gold
c)
glass
d)
salt
100 %
