Make up the formulas of compounds formed by the elements: a) hydrogen and sulfur; b) oxygen and silver
| September 6, 2021 | education
Make up the formulas of compounds formed by the elements: a) hydrogen and sulfur; b) oxygen and silver; c) chlorine and aluminum. Give a name to the substances.
a) hydrogen sulfide H2S (hydrogen always has valence I, sulfur in this case – II);
b) silver oxide (I) Ag2O (silver always has valence I, oxygen – II);
c) aluminum chloride AlCl3 (aluminum is always trivalent, chlorine in compounds with metals exhibits valence I).
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.
