2/5 = .4
.4*100= 40%
Alex spends more time
Which element is less reactive, an element whose atoms have seven valence electrons or an element whose atoms have eight valence electrons? Why?<span>an element with 8 valence electrons because it doesn't require any additional electrons to become stable</span>
Answer:
I would hope they can change this question
I believe that the answer is A but correct me if i’m wrong
Energy cannot be created nor be destroyed
