24 gm of divalent metal A requires 16 gm of oxygen to form its oxide . what is the atomic weight of metal A ?

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

State one important difference between a physical change and a chemical change?

The ammonia molecule in the diagram has the observed bond orientation because