Magnesium chloride solution is mixed with Nickel (II) nitrate solution. Mg Cl2 +Ni(NO3)2 Mg(NO3)2+NiCl2 what is the Net Ionic

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the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

um i think it might be a car?

answer: mole of the gas

answer: mole of the gasexplanation: