Which expression does the number line represent? A)3 divided by three-fourths B)Three-fourths divided by StartFraction 9 Over 4 EndFraction C)3 divided by StartFraction 9 Over 4 EndFraction D)StartFraction 9 Over 4 EndFraction divided by three-fourths

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

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

How can the number of core electrons be determined from the periodic table