2 Points
Why are alloys useful?
O
O
A. They can turn a nonmetal into a metal.
B. They can improve a metal's properties.
O
c. They can make an amorphous solid crystalline.
They can make a metal nonconductive.

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