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23 Cards in this Set
- Front
- Back
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Bohr
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1913
the current atomic model |
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Proton
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postively charged subatomic particle
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Atomic number
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the number of protons = the number of electrons
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Neutron
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neutrally charged subatomic particle
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Number of Neutrons
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Atomic Mass - Atomic number
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Electron
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negatively charged subatomic particle
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Acid
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a solution that has a ph below 7
taste sour react with metals eg. sulfuric acid |
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Base
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a solution that has a ph over 7
feel slippery taste bitter eg. sodium hydroxide |
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Neutral
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An acid that has a ph of 7 and is neither acidic or basic.
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What do Acids and Bases react to create?
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Salts
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Structure of valency shells
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2,8,8,2
(electrons orbiting neutron) |
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Group 1
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Alkali metals
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Group 2
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Alkali Earth Metals
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Group 7
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Halogens
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Group 8
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Nobel gases - do not react
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Properties of Metals
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conduct heat + electricity, ductile, malleable, lustrous, usually solid
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Properties of Non-Metals
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don't conduct heat + electricity, aren't ductile, malleable or lustrous, usually not solid
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Acid + Metal ->
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Salt + Hydrogen Gas
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Acid + Carbonate ->
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Water + Carbon Dioxide + Salt
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Acid + Base ->
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Salt + Water
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Acid + Metal ->
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Salt + Hydrogen Gas
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Acid + Carbonate ->
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Water + Carbon Dioxide + Salt
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Acid + Base ->
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Salt + Water
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