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Periodic Table Basics. Finding the number of Atomic Particles # of protons = to the atomic # # of...

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Periodic Table Basics
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Periodic Table Basics

Finding the number of Atomic Particles• # of protons = to the atomic #

• # of electrons = to the atomic #

• To determine the # of neutrons Subtract the atomics # from the atomic mass

Drawing a Bohr Model

Nucleus - Protons - neutrons

1st Energy Level

2nd Energy Level

3rd Energy Level

2

8

18

Bohr Model - Hydrogen

P1

N0

Hydrogen

P2N1 N

PHelium

N

PBoron

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4 I know the content enough to teach it to someone

3 I can do it on my own and explain the concepts

2 I know all the terms without help

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0 With help I don’t understand

N

PGallium

Valence Electrons

• Electrons found in the outer most energy level

Lewis Dot Structure

Valence Electrons


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