WorksheetsElements up to 30 in English
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the chemical symbol for Oxygen?
a)
O
b)
H
c)
N
d)
C
2.
How many electrons does a Carbon atom have?
a)
6
b)
4
c)
10
d)
8
3.
Which element has the atomic number 26?
a)
Iron (Fe)
b)
Silver (Ag)
c)
Copper (Cu)
d)
Gold (Au)
4.
What is the symbol for Gold on the periodic table?
a)
Ag
b)
Au
c)
Pt
d)
Go
5.
How many protons does a Nitrogen atom have?
a)
5
b)
10
c)
7
d)
8
6.
Which element is a noble gas with atomic number 10?
a)
Krypton
b)
Argon
c)
Neon
d)
Helium
7.
What is the atomic number of Sodium?
a)
11
b)
13
c)
10
d)
12
8.
Which element is a metalloid with symbol Si?
a)
Selenium
b)
Silicon
c)
Sulfur
d)
Silver
9.
How many neutrons does an atom of Helium-4 have?
a)
1
b)
5
c)
2
d)
3
10.
What is the symbol for Mercury?
a)
Ag
b)
Hg
c)
Fe
d)
Mg
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