Answer:
D is wrong
Explanation:
it doesn't involves any kind of sharing of electrons
Answer:
sgsgueiehéyegeysuegeteue2
Answer: 27 is A and 28 is C.
Explanation: I’ll explain 28 but not 27 because that’s just definitions.
In CuSO4 there is a Cu, an S, and 4 O molecules. Add them up you get 6.