14) SEP Develop Models Draw arrows for all of the attractive and repulsive forces between the negatively charged electrons and
positively charged protons in these atoms. Make sure your arrows
clearly show the difference between attractive and repulsive forces.
Note that the particles without a charge label are neutral.

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.