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WorksheetsUnit 1 Quizizz
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the chemical symbol for Boron?
a)
Br
b)
Bo
c)
B
d)
Bn
2.
What is the atomic mass of Oxygen?
a)
16
b)
15.999
c)
8
d)
14.007
3.
What is the atomic number for this element?
a)
14
b)
Si
c)
Silicon
d)
28.085
4.
What is the chemical formula for a molecule that has two oxygen atoms and one silicon atom?
a)
SiO
b)
2SiO
c)
Si2O
d)
SiO2
5.
What kind of model is this?
a)
Coefficient
b)
Structural Formula
c)
Ball and Stick Model
d)
Chemical Formula
6.
What is the atomic mass of Phosphorus?
a)
15
b)
P
c)
30.974
d)
106.42
7.
3CH4 Which part of this chemical formula is the subscript?
a)
3
b)
C
c)
H
d)
4
8.
3CH4 How many Hydrogen atoms are there in this chemical formula?
a)
3
b)
4
c)
7
d)
12
9.
How do you write the chemical formula for 5 molecules of water?
a)
5HO5
b)
H10O5
c)
5H2O
d)
H2O
10.
Which picture shows the ball and stick model for this chemical formula? CH2O
a)
b)
c)
d)
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