Solve the following mole-mass problem. refer to the periodic table. how much mass does 0.50 mole of copper contain? 31.775 g 31.78 g 31.8 g 32 g

Which best explains why an iceberg floats?

What is the empirical formula for c4h8o2

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.