the radius of a single atom of generic element x is 195 pm and a crystal of x has a unit cell that is simple cubic. calculate the volume of the unit cell

Word equation for k+ h2o yield koh + h2

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

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?