Periodic Properties of the Elements

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Presentation transcript:

Periodic Properties of the Elements 8.1-8.3

Nerve Signal Transmission 8.1 Nerve Signal Transmission Na+ pumped out of cells K+ pumped into cells

How are they differentiated? Nerve Signal Transmission Na+ pumped out of cells K+ pumped into cells How are they differentiated?

Periodic Property: Atomic Radius Increases Na+: r = 95pm (1 pm = 10-12 m) K+: r = 133pm Channels within cell membranes can differentiate between the size of the ions Atomic Radius Increases Periodic Property: Properties of elements that can generally be predicted by its position within the periodic table.

8.2-The Development of the Periodic Table

Dmitri Mendeleev:

8.3-Electron Configuration: How Electrons Occupy Orbitals