WorksheetsChemical Elements
Total questions: 6
Worksheet time: 5mins
Name
Class
Date
1.
Which element is the lightest?
a)
Hassium
b)
Carbon
c)
Hydrogen
d)
Lithium
2.
What is H2O?
(a)
3.
What is our body made of?
a)
Oxygen
b)
Phosphorus
c)
Carbon
d)
Calcium
e)
Hydrogen
4.
Which elements are the newest found?
a)
Oganesson
b)
Titanium
c)
Unquadnilium
d)
Tennessine
5.
Which elements are used in pools?
a)
H2O
b)
Chlorine
c)
Radium
d)
Nickel
6.
What is ozone used for?
a)
The Earth's upper atmosphere
b)
In space
c)
Makes the coca-cola fresher
d)
Protects life on Earth from very short-wavelength ultraviolet radiation from the Sun.
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