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8 Cards in this Set
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- Back
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Group 1 elements are ....?
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Alkali
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What are some common properties of alkali elements
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Lower densities than other metals
One loosely bound valence electron Largest atomic radii in their periods Low ionization energies Low electronegativities Highly reactive |
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What are some common properties of metal elements?
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Conductive
Shiny when cut Solid at room temperature |
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How do you calculate the number of neutrons in an element?
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Subtract the atomic number from the atomic mass
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What are the common properties of metal?
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Malleable - can be formed
Lustre - shiny when cut Conductive - heat & electricity Sonority - rings when struck |
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What is the process of separating the different compounds in crude oil vapour?
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Fractional Distillation
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Describe the process of Fractional Distillation?
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1. Crude oil is boiled.
2. Vapour & particles rise 3. As they rise they cool 4. As they reach their boiling point (determined by molecule size) they are drawn off. 5. Larger molecules have a higher boiling point |
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What is the difference between a molymer and a polymer?
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A monomer is a single unit that can join to form a polymer. A polymer is a compound of single units joined together.
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