NEW
Font size
S
M
L
XL
WorksheetsMolecules Compound
Total questions: 23
Worksheet time: 14mins
Name
Class
Date
1.
Molecules are
a)
2 atoms bound together
b)
2 elements bound together
c)
2 or more atoms mixed together
d)
2 or more atoms bound together
2.
Which of the four following items are made up of one or more molecules?
a)
Gold
b)
Hydrogen
c)
Salt
d)
Neon
3.
Which of the four following items are made up of one or more molecules?
a)
Gold
b)
Hydrogen
c)
Salt
d)
Neon
4.
Matter is
a)
everything that has density
b)
everything made of atoms
c)
elements
d)
anything that has mass and takes up space
5.
Atoms make up
a)
Elements
b)
Molecules
c)
Compounds
d)
Protons Neutrons and Electrons
6.
What do we call a substance consisting of a single atom?
a)
coefficient
b)
element
c)
compound
d)
molecule
7.
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
8.
The smallest unbreakable unit of a compound is called
a)
subscript
b)
proton
c)
formula
d)
molecule
9.
A recipe for a chemical substance is called a ________ _________.
a)
coefficent
b)
chemical formula
c)
Oxygen
d)
atom
10.
What are the basic building blocks for all matter?
a)
atoms
b)
elements
c)
compounds
d)
chemicals
11.
Two or more atoms joined together
a)
compound
b)
molecule
c)
mixture
d)
condense
12.
The smallest unit of an element that has the properties of that element
a)
molecule
b)
compound
c)
element
d)
atom
13.
Water compound
a)
NaCl
b)
H2O
c)
Protein
d)
CaCO
14.
How many elements are in HHe
a)
3
b)
4
c)
2
d)
5
15.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
16.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
17.
A _____________ is a substance that is made of 2 or more elements that are chemically combined.
a)
atom
b)
cell
c)
element
d)
compound
18.
The difference between elements and compounds is that...
a)
elements can be separated by physical means and compounds cannot.
b)
elements cannot be separated by physical means and compounds can.
c)
elements contain only one kind of atom and compounds contain more than one kind of atom.
d)
elements contain more than one kind of atom and compounds contain only one kind of atom.
19.
Is water an element or a compound?
a)
Element
b)
Compound
20.
Which substance is a compound?
a)
Chlorine
b)
Calcium
c)
Table Sugar
d)
Sodium
21.
Which one can be found on the periodic table?
a)
Compound
b)
Element
22.
A compound is a molecule consists of 2 or more ________.
a)
cells
b)
atoms
c)
elements
d)
mixtures
23.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
Reset
