The Atom

Question 1

Atomic Number

Answer 1

Number of Protons and in a neutral atom number of electrons

Question 2

Mass Number

Answer 2

Number of Protons and Neutrons

Question 3

Isotopes

Answer 3

Same Number of protons but a DIFFERENT number of Neutrons. Therefore a different Mass Number

Question 4

Groups on the periodic table

Answer 4

Vertical Columns

Question 5

Periods on the periodic table

Answer 5

Horizontal Periods

Question 6

Orbital Configuration

Answer 6

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6