give one example for each of the following
a reactive metal
a gaseous non metal
diatomic molecule
monovalent ion
a cation with charge+2
an anion with charge -1
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a reactive metal- potassium
a gaseous non metal-oxygon, hydrogen
diatomic molecule- hydrogen, nitrogen,bromine bonds
monovalent ion-lithium,sodium
a cation with charge+2 magnesium
an anion with charge -1 -co2
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