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7 Cards in this Set
- Front
- Back
what is freezing?
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freezing is when a liqid gets cold and, well freezes.
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how do you find the atomic number in an element?
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the atomic number is the amont of protons in an element.
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what is a mixture?
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combination of pure substances.
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what are alkali meatls?
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group 1 element in the periodic table, not including hydrogen; the mos reactive of metals.
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what is a molecular compunds?
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pur substance formed when non-metals combine.
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what is alkaline earth?
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group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals.
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what is catalysts?
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substacne that helps a chemical reaction to procceed quicker.
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