Chem 3A Quiz 3 Word Scramble
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Term | Definition |
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 |
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