Formula for the simplest compound of Fe3+ and P3-

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

What causes most sediment to wash or fall into a river