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7 Cards in this Set

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