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Atom, Molecule and compound

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Define Atom

a)

The smallest piece of matter that cannot be splie

b)

A type of molecule

c)

A type of atom

d)

A single thing that is made of more than one atom bonded together.

2.

There is only one of me. I am made up of protons, electrons, and neutrons. What am I?

a)

Atom

b)

Molecule

c)

Compound

d)

Element

3.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
4.
How many elements are on the periodic table?
a)
53
b)
116
c)

99

d)

78

5.
What is the picture displayed?
a)
Atom
b)
Element
c)
Molecule
d)
Compound
6.
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
7.

This is anything that has mass and takes up space (meaning it has a volume).

a)

matter

b)

mass

c)

element

d)

energy

8.
A pure substance that is made from one type of atom is a(n) ______________ .
a)
Mixture
b)
Atom
c)
Element
d)
Compound
9.
Classify Sulfur (S) as an element or compound.
a)
Element
b)
Compound
10.
Classify Sodium Chloride (NaCl) as an element or compound.
a)
Element
b)
Compound
11.
TRUE OR FALSE:
There are millions of elements.
a)
True
b)
False
12.
TRUE OR FALSE:
Water is an element.
a)
True
b)
False
13.
Is water an element or a compound?
a)
Element
b)
Compound