periodic table basics
DESCRIPTION
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. 1 st Energy Level. 2. 2nd Energy Level. 8. Nucleus - PowerPoint PPT PresentationTRANSCRIPT
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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N
PGallium
Valence Electrons
• Electrons found in the outer most energy level
Lewis Dot Structure
http://www.tutorvista.com/content/science/science-i/structure-atom/arrangement-electrons-atom.php
http://www.hobart.k12.in.us/ksms/PeriodicTable/energy%20levels.htm
Valence Electrons