The formula that a compound formed between nitrogen (N) and barium (Ba) is BARIUM NITRIDE Ba3N2.  3Ba + N2 > Ba3N2



Barium is a steel element and Nitrogen is a non-metal element, therefore they forme an ionic compound. To do the formula of an ionic compound, an initial we must see the valence that the atoms, that is, exactly how much electron it have the right to donate or it has actually to gain to have 8 electron in the valence class (octet rule).

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Barium is in the family 2, so it has two electrons in the valence layer, so it should donate these 2 electrons; Nitrogen is in the household 15, for this reason it has actually 5 electron ins the valence layer and also must gain 3 electrons.

Writing the ions they have to form:

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First came the cation (positive charge), then the anion (negative charge), and the charges must change between them, without the signal, and will educate how numerous atoms are vital of which element:





Potassium nitride= K3N


Potassium nitride is the correct name of the compound with chemical formula, K3N. The link is formed in between potassium ion (K+) and nitride ion (N-3).

Potassium has nineteen electrons and since the obeys octet dominance with digital configuration the 1s2 2s2 2p6 3s2 3p6 4s1. Potassium loser an electron in its external subshell(4s) to attain a stable digital configuration (1s2 2s2 2p6 3s2 3p6). Thus, forming K+.

On the other hand, N has actually seven electron with electronic configuration the 1s2 2s2 2p3. Nitrogen also obeys octet rule. Hence, the acquires three electrons to obtain a stable octet noble gas configuration (1s2 2s2 2p6), causing N-3.

Every nitrogen atom acquires three electrons native potassium. Also, potassium loses one electron to every nitrogen atom. In this interaction every nitrogen atom becomes N-3 and also each potassium becomes K+.

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I think K3N but i"m no sure
You require to consider the valences of the two elements. Potassium is +1; nitrogen is -3. Come balance the molecule, you require 3 potassium to one nitrogen, or K3N
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