Which of the following elements is the least reactive metal?
a. magnesium (mg)
b. chlorine (cl)
c. rubidium (rb)
d. sodium (na)

yo can someone plz

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.

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution