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WorksheetsMrs Disney Y10 - Chemistry elements, mixtures compounds
Total questions: 30
Worksheet time: 21mins
Name
Class
Date
1.
A pure substance that cannot be separated into simpler substances by chemical or physical means.
a)
Element
b)
Compound
c)
Mixture
d)
Chemical
2.
These contain only one kind of atom.
a)
element
b)
compound
c)
mixture
d)
water
3.
Elements can be broken down into simpler substances.
a)
false
b)
true
c)
sometimes
4.
A compound is made of ________ atoms.
a)
big
b)
similar
c)
different
5.
Carbon Dioxide is a ______
a)
compound
b)
element
c)
mixtures
d)
Battle of Bunker Hill
6.
Salt is a _________.
a)
compound
b)
element
c)
mixture
7.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
8.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
9.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
10.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
11.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
12.
compounds are chemically bonded together
a)
False
b)
true
c)
I don't know?
13.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
14.
Which one can be found on the periodic table?
a)
Compound
b)
Element
15.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
16.
A mixture....
a)
Contains different substances that are not chemically combined
b)
Contains different substances that are chemically combined
17.
compounds are chemically bounded together
a)
False
b)
true
c)
I don't know?
18.
Can an element be broken down into a simpler substance
a)
yes
b)
No
19.
Are there any compounds on the periodic table
a)
yes there are many
b)
no because only elements are on the periodic table
c)
I think they are?
20.
Which one has more than one type of atom in it
a)
Element
b)
Compound
21.
These are found on the Periodic Table.
a)
elements
b)
mixtures
c)
compounds
22.
What is salad?
a)
element
b)
compound
c)
mixture
23.
The symbol for an element can be found on the __________________.
a)
The board
b)
The Periodic Table of Elements
c)
Mrs Disney's Desk
d)
Your textbook
24.
Can only be separated by chemical means.
a)
element
b)
mixture
c)
compound
25.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
26.
What is gold?
a)
element
b)
compound
c)
mixture
27.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
28.
Compounds are chemically bonded together
a)
False
b)
True
c)
I don't know?
29.
which one only has one type of atom In it.
a)
Element
b)
compound
30.
Which one has more than one type of atom in it
a)
Element
b)
Compound
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