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Layout of an element (mass # & atomic #)
Forms of the same elements that differ in amount of neutrons
isotopes
When alpha particles were shot at a metal foil target, most passed through without deflections,
while others deflected at large angles. What did this suggest to Rutherford?
that the atoms of the metal were mostly empty space, while the nucleus consisted of most of
the mass which included highly condensed positive particles (which caused the deflection).
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,ngeneral
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Electron Configuration
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electromagnetic spectrum
Greater wavelength = lower frequency
greater frequency = shorter wavelength
Light Energy Formula
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Periodic Table
Electrons configuration rule that states electrons do not pair until they have to. (put one
electrons in each electron domain then pair up)
Hund's rule
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