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Properties |
Properties are what a material or substance is like and how it behaves.
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reactivity |
Potassium is at the top of the reactivity series.
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periodic |
Oxygen is an element on the periodic table.
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density |
Gold is very heavy, its density is high.
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Halogens |
Fluorine, chlorine, bromine and iodine are all halogens in group 7 of the periodic table.
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alkali |
Alkali metals are soft and can be cut with a knife.
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displacement |
When a reactive element pushes out a less reactive one, this is called displacement.
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noble |
Group 0 are the noble gases.
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* This sentence was added by a Spellzone user.
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"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."
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