Element Practice
Atomic Symbol – a short hand way
of writing each elements name.
2
He
4
Atomic Mass – The weight of an element. .
Atomic Number – Represents both
the number of protons and
electrons in an element.
Most of the mass comes from the neutron and
proton. To find the number of neutrons,
subtract the atomic weight from the atomic
mass.
Fill in the necessary information.
element: ________________ element: _______________ element: _______________
2
He
4
2
6
Fe
56
13
Al
27
# protons: _______________ # protons: ______________ # protons: ______________
# neutrons: ______________ # neutrons: _____________ # neutrons: _____________
element: ________________ element: _______________ element: _______________
20
Ca
40
10
Ne
20
6
C
12
# protons: _______________ # protons: ______________ # protons: ______________
# neutrons: ______________ # neutrons: _____________ # neutrons: _____________
9
F
19
17
Cl
35
11
Na
23
element: ________________ element: _______________ element: _______________
# protons: _______________ # protons: ______________ # protons: ______________
# neutrons: ______________ # neutrons: _____________ # neutrons: _____________
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