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WorksheetsChemical Formulas Models Practice
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
How many different elements are present?
a)
4
b)
2
c)
3
d)
1
2.
Is this an element or compound?
a)
element
b)
compound
3.
What is the total number of Chlorine atoms present?
a)
1
b)
2
c)
3
d)
4
4.
How many total atoms are present in one molecule of Phosphorus Trichloride?
a)
1
b)
2
c)
3
d)
4
5.
How many different elements are present? ANSWER IS A NUMBER ONLY
(a)
6.
Is this an element or a compound?
a)
element
b)
compound
7.
Which element is NOT present in this molecule?
a)
Carbon
b)
Chlorine
c)
Oxygen
d)
Hydrogen
8.
What is the total number of hydrogen atoms present?
a)
2
b)
1
c)
9
d)
6
9.
What is the total number of atoms present? ANSWER IS A NUMBER ONLY
(a)
10.
How many different elements are present? ANSWER IS A NUMBER ONLY
(a)
11.
Is this an element or a compound?
a)
element
b)
compound
12.
What is the total number of oxygen atoms present?
a)
1
b)
2
c)
3
d)
6
13.
What is the total number of atoms present? ANSWER IS A NUMBER ONLY
(a)
14.
How many different elements are present? ANSWER IS A NUMBER ONLY
(a)
15.
Is this an element or a compound?
a)
element
b)
compound
16.
What is the total number of oxygen atoms present?
a)
1
b)
2
c)
3
d)
4
17.
What is the total number of atoms present? ANSWER IS A NUMBER ONLY
(a)
18.
How many different elements are present? ANSWER IS A NUMBER ONLY
(a)
19.
Is this an element or a compound?
a)
element
b)
compound
20.
What is the total number of oxygen atoms present?
a)
1
b)
2
c)
3
d)
6
21.
What is the total number of atoms present? ANSWER IS A NUMBER ONLY
(a)
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