Chem Extra Practice Worksheet
Subatomic
Where is the number
Location in
particle
on the periodic table?
the atom
Charge
Mass (amu)
Protons
Neutrons
Electrons
For the first 20 elements electrons fill from the nucleus. Draw a generic atom with 4 electron shells
below. List how many electrons fit in the 1st, 2nd, 3rd, and 4th electron shells.
Complete the table
Element
Symbol
Atomic #
Proton #
Neutron #
Electron #
41
32
Mass #
Carbon
Fe
28
56
Draw the atom structure for the elements below. Make sure to include protons, neutrons, and electrons
on the drawing. You can use numbers or dots for the different particles
●
Lithium
●
Calcium
●
Argon
●
Chlorine