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21 Cards in this Set
- Front
- Back
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Bronze |
Example of a mixture |
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Group 18 or 8A |
Noble gases Inert or unreactive Nonmetal 8 Valence electrons |
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Number of dots on a electron dot diagram = |
Number of valence electrons |
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Number of valence electrons = |
Group number where the element is found |
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Mass Number = |
Protons + Neutrons |
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Positive charge Found in the nucleus Mass = 1 |
Proton |
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Negative charge Found outside the nucleus Mass = 0 |
Electrons |
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No charge Found inside the nucleus Mass = 1 |
Neutron |
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Elements in the same group or family |
Have the same number of valence electrons They have the same oxidation number |
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Most reactive metal |
Alkali metals (Group 1 or 1A)
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Most reactive nonmetals |
Halogens (Group 17 or 7A) |
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Metals Solids Touching |
Conduction |
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Liquids or gases |
Convection |
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Occurs on the sun and the stars |
Radiation |
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Examples of colloids |
Milk, fog |
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What metals do in a reaction |
Lose electrons and become positive |
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What nonmetals do in a reaction |
Gain electrons and become negative |
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Group 1A |
Alkali Metals Most reactive metals 1 VE |
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Group 2A |
Alkaline Earth Metals 2 VE |
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Group 7A |
Halogens Most reactive nonmetals 7 VE |
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Group 8A |
Noble Gases Unreactive 8 VE |
