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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 of 18 or 8A |
noble gases Inert or nonreactive non mental 8 valence elcetrons |
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# of dots on an electron diagram = |
# of valence electrons |
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# of valance electrons = |
Group # where the element is found |
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Mass # equal |
Protons + Neutrons |
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Positive charge in the Nucleus Mass = 1 |
Proton |
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negative charge outside the Nucleus no mass |
electrons |
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No charge inside the nucleus mass =1 |
neutron |
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elements in the same group or family |
they have the same # of valence electrons Have the same oxidation # |
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Most reactive metals |
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 Gas |
Convection |
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Occurs on the sun or the stars |
radiation |
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Examples of collides |
milk & fog |
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what metals do in a reaction |
loose electrons and become postive |
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what non metals do in a reaction |
They gain electrons and they become negative |
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Group 1A |
Alkali metals most reactive 1 VE |
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Group 2A |
alkaline earth metals 2 VE |
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Group 7A |
Halogens most reactive non metals 7VE |
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Group 8A |
Noble gases nonreactive 8VE
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