What are the elements in the chemical formula c12h22o11? choose all answers that are correct. a. helium b. carbon c. calcium d. oxygen e. hydrogen

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

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.