Make formulas of substances by name: a) calcium nitride; b) iron (III) bromide
| September 6, 2021 | education
a) Ca3N2 (calcium always exhibits a valency equal to two, nitrogen in compounds with metals is trivalent);
b) FeBr3 (iron in this case, according to the condition of the problem, has a valence of III, bromine in compounds with metals is monovalent).
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
