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13 Cards in this Set
- Front
- Back
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Electrons in a hydrogen atom
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1
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Atoms needed to complete outer shell of chlorine
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1
It has 7 in it's outer shell, so 1 more will make it complete |
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Atoms needed to complete outer shell of carbon
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4
It has 4 in it's outer shell, so 4 more will make it complete |
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Atoms needed to complete outer shell of oxygen
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2
It has 6 in it's outer shell, so 2 more will make it complete. Can you think of 2 obvious atoms that would complete it? How many electrons are in hydrogen? |
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Rf value in chromatography
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Distance travelled by substance / Distance travelled by agent
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Miscible liquids
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Liquids that will mix
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Method to separate miscible liquids
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Fractional distillation
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Name 3 ionic substances
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Sodium chloride
Magnesium sulfate Copper sulfate |
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Ionic substance
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Conducts electricity
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Name 2 simple molecular covalent substances
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Hexane
Liquid paraffin |
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Boiling and melting point of simple molecular covalent substances
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Very low
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Boiling and melting point of giant molecular covalent substances
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Very high
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Do simple molecular covalent substances conduct electricity?
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No
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