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OpenStudy (anonymous):
Lithium nitride has the chemical formula Li3N. Rubidium is in the same chemical family as lithium. What is the formula of rubidium nitride?
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OpenStudy (anonymous):
Rb3N because they are in the same family and have similar chemical behaviors. Rb forms +1 ions and N forms -3 ions so you can see it takes 3 Rb's to equal the -3 of N, this will make a neutral molecule
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