metals and non-metals
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8 Terms
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Physical Properties of metal
Lustrous
Sonorous
Ductile
Malleable
Hardness
Good conductor of electricity and heat
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metals who do not have high melting or boiling point
Gallium, Caesium
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A non-metal who is lustrous
Iodine
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The hardest substance
Diamond allotrope of Carbon
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Non-metals who have low density and can be cutter by knife
Lithium, sodium, potassium
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What are Allotropes?
This substances who have different physical properties but same chemical properties
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Amphoteric Oxide
Those metal oxide which reacts with both acids and bases
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Very reactive non-metals
Sodium and Potassium
Note 
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