What is the main greenhouse gas responsible for influencing the world climate

What is the molar mass of potassium nitrate, kno3

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Once similarity and one difference between a mixture of elements and a mixture of compounds