How can you test to see if a substance is soluble or insoluble? 1 Place the substance in water. 2 Put the substance under sunlight. 3 Heat the substance up. 4 Put the substance in a freezer.

Compare and contrast physical changes with chemical changes.

If 90.0 grams of ethane reacted with excess chlorine, how many grams of dicarbon hexachloride would form

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.