Of the following single bonds which is least polar?

Which of the following mining methods disrupts the sea floor?

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?