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science quiz
about electrons, covalent bonding, ionic compounds
Question | Answer |
---|---|
do non-metals gain or lose and electron to form an ion | Gain (-ion) |
do metals gain of lose electrons to form an ion | Lose (+ion) |
why is mercury different | only metal liquid at room temp |
sodium carbonat | Na2(Co3) |
copper (III) chloride | CuCl2 |
what do you call a negative charged ion | anion |
what do you call a positive charged ion | cation |