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Chem 3A Quiz 3

Names, Elements (Pro,Neu,Elec), Periodic Table

TermDefinition
John Dalton Formalized Theory of Atoms
JJ Thomson Discovered a smaller and more fundamental particle called the electron
Who created the: Plum Pudding Model and Cathode Ray Tube? JJ Thomson
Rutherford Gold Foil Experiment: Electrons are dense, alpha particles
Atomic Number Sum of Protons
Mass Number Sum of Protons and Neutrons
Cations Positive Ions
Anions Negative Ions
Group/Family Column
Period Row
Alkali Metals Group 1
Alkaline Earth Metals Group 2
Transitional Metals Gap
Halogens Group 17
Coinage Metals Group 10 (Copper, Silver, Gold)
Metals are... They __________ electrons (isotope) Malleable, Ductile, Lustrous Lose
Non-metals are... They_________ electrons (isotope) Not malleable, ductile, or lustrous Gain
Metaloids Line the "staircase" on periodic table (excludes aluminum and polonium)
Main Group Elements Groups 1,2,13-18
Created by: biggreg19
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