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17 Cards in this Set
- Front
- Back
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What is an element?
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a pure substance with only one type of atom
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elements can be divided into two categories
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metals and non metals
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properties of metals
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solid at room temp
shiny if polished conduct electricity conduct heat malleable ductile |
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What does malleable mean?
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bend without breaking
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What does ductile mean?
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can stretch into wires
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properties on non-metals
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solids, liquids or gases at room temp
not shiny do not conduct electricity (one exception) do not conduct heat (one exception) brittle cannot stretch easily |
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What does brittle mean?
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breaks easily
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Which non metal can conduct electricity?
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graphite
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Which non-metal can conduct heat?
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graphite
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Can atoms be split?
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no
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Can atoms be created or destroyed?
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no
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What is a compound?
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when two or more elements combine
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Which metals are magnetic?
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iron, cobalt, nickel
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What do you get when you add carbon + oxygen?
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carbon dioxide
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What do you get when you add sulphur + oxygen?
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sulphur dioxide
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What do you get when you add lead + oxygen?
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lead dioxide
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How many elements are thre?
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92
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