Mg₃N₂ + 6H₂O = 3Mg(OH)₂ + 2NH₃
Sodium is a metal and bromine is a nonmetal so they form an ionic compound
nonmetals and nonmetals form covalent compounds
The answer is "elements" :)
Answer:
salt water heterogeneous mixture , pure substance compound,element solut8on
These ions are polyatomic ions. The prefix "poly-" means "many," and the rest of the word "atomic" clearly refers to the atoms themselves. So, if there are two or more atoms in an ion, this ion is polyatomic.
