What is the density if you have an object with a mass of 8g and a volume of 1 point 2mL? *
O2 g/cm^3
4 g/cm^3
6 g/cm^3
8 g/cm^3

Calculate the number of molecules present in 0.750 mol of mgo.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided