A student uses eight chocolate sandwich cookies to model the Moon's phases. The student separates each cookie and removes frosting to show how the Moon looks at each phase. How would the student create the Waning Gibbous phase?

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