Draw the Lewis structure of PF3 ​

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

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