A rectangular box has a length of 12 cm, a width of 20 cm, and a height of 5 cm. What is the volume of the box in ml?
a 1200 mL
b 160 mL
C 300 mL
d 37 mL

Acertain atom has 22 protons and 19 electrons. this atom loses an electron. the net charge on the atom is now 4+1+01-4-. if this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be 3+2+02-3-.