First, how many valence electrons does hydroxide ion have? If it has something like 6 it would need 2 to get the max total of 8. Or perhaps it's 7. Then only one is needed. But if the number is 8 then 0 is required
<span>Dmitri Mendeleev's Periodic Law states that chemical and physical properties repeat themselves in groups of 8.</span>
A. hex- Normally with 6, the prefix is hex-. For example a polygon having 6 sides is known as hexagon.
Ignore this its not the anwser 2.7g
Answer:
I think it is b) NOT SURE
Explanation:
