NAME ___________________________________ DATE______________ PD______
USING THE PERIODIC TABLE
6
Atomic Number
C
The atomic number tells us the number of
_____________ and _____________ in an
atom. The number of protons and electrons is
the same in all atoms.
Element Symbol
Carbon
Element Name
12
Atomic Mass
The number of __________ + ___________
Let’s PRACTICE!
Name
Carbon
Symbol
C
Number
6
Protons
6
Electrons
6
Mass
12
Mass – Protons =
12 – 6 =
Neutrons
6