This also gives sulfur a seventh electron, and it gets its eighth from hydrogen. Meanwhile, carbon needs one more electron and sulfur can provide it. Carbon and nitrogen share three electrons each (with each other) and a triple bond forms between them. Nitrogen brings five valence electrons, and so it needs three to completed its octet. All four of these atoms are non-metals, the bonds between them will be covalent, and it will make a molecular compound.Ĭarbon brings four valence electrons with it, and so needs four more to complete its valence shell. HSCN is the corresponding acid of SCN-, which is the thiocyanide ion.
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