WorksheetsAtomic Symbols and Numbers Practice
Total questions: 20
Worksheet time: 41mins
Select the nucleus.
Label the following subatomic particles.
Proton
Neutron
Electron
What is Neon's atomic mass?
10
20.18
What is the chemical symbol for this element?
C
Carbon
6
12.011
What is the atomic number for this element?
C
Carbon
6
12.011
What is the atomic number for oxygen?
8
15.999
O
How many protons are in one atom of oxygen?
8
15.999
O
What is the chemical symbol for Iron?
Fe
I
Ir
Iron
How many neutrons are in a single atom of iron?
26
55.845
30 (round atomic mass - atomic number)
What does 12.011 represent?
atomic mass
atomic number
element name
chemical symbol
What does the C represent?
atomic mass
atomic number
element name
chemical symbol
What is the atomic number?
the number of protons
the number of protons and neutrons
the number of neutrons
the number of atoms
the number of protons in the nucleus
the number of protons and neutrons in the nucleus
the number of neutrons in the the nucleus
the number of protons and electrons in the nucleus
What is the mass number of this atom?
1
3
4
7
What is the mass number and atomic number ?
Mass number = 7, atomic number = 14
Mass number = 14, atomic number = 7
