1.
a) Positive
b) No charge (Neutral)
c) Negative
d) Protons and neutrons
2.
Carbon: #P = 6, #N = 6, #E = 6
Neon: #P = 10, #N = 10, #E = 10
Potassium: #P = 19, #N = 20, #E = 19
3.
Na: Atomic Number = 11, Mass Number = 23, Number of Protons = 11, Number of Electrons = 11, Number of Neutrons = 12
K: Atomic Number = 19, Mass Number = 39, Number of Protons = 19, Number of Electrons = 19, Number of Neutrons = 20
Sr: Atomic Number = 38, Mass Number = 88, Number of Protons = 38, Number of Electrons = 38, Number of Neutrons = 50
F: Atomic Number = 9, Mass Number = 19, Number of Protons = 9, Number of Electrons = 9, Number of Neutrons = 10
Ca: Atomic Number = 20, Mass Number = 40, Number of Protons = 20, Number of Electrons = 20, Number of Neutrons = 20
Sn: Atomic Number = 50, Mass Number = 119, Number of Protons = 50, Number of Electrons = 50, Number of Neutrons = 69
I: Atomic Number = 53, Mass Number = 127, Number of Protons = 53, Number of Electrons = 53, Number of Neutrons = 74
Parent Tip: Review the logic above to help your child master the concept of atom worksheet.
