8. Write the formulas for and give the names of the compounds formed by the following ions:
a. Cr2+ and F
b. Ni2+ and 02-
c. Fe3+ and 02-

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

that's what i got you can count the number of atoms

it is the most commonly accepted one