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Lithium nitride has the chemical formula LI3N Rubidium is in the same chemical family as lithium. What is the formula
of rubidium nitride?
o Rb3N
O RON3
Rb2N3
CRON
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The answer to your question is   Rb₃N

Explanation:

Data

Lithium Nitride = Li₃N

Rubidium Nitride = ?

Process

1.- Both Lithium and Rubidium are placed in group lA of the periodic table, which means that their valence number if + 1.

2.- Nitrogen is placed in group VA, which means that its oxidation number is -3.

3.- Write the formula and interchange the oxidation numbers.

                                  Rb⁺¹   N⁻³

                                  Rb₃N₁

But number one is not necessary to write it.

                                  Rb₃N

no, i was listening to water by schoolboy q while and i saw this question

explenation:

water isn't wet. wetness is a description of our experience of water; what happens to us when we come into contact with water in such a way that it impinges on our state of being. we, or our possessions, 'get wet'. a less impinging sense experience of water is that it is cold or warm, while visual experience tells us that it is green or blue or muddy or fast-flowing. we learn by experience that a sensation of wetness is associated with water: 'there must be a leak/i must have sat in something.'

your answer would be a. 12.5 kg