Chemistry!!

I very much enjoyed this class this year.

I like the way you did our grades. I did not like the way notes were, well I don't like notes for anything to be honest. Keep teaching the way your teaching!

pH scale

the pH scale is the measure of acidic and basic of a substance

6.9 and below are acids and 7 is at zero it is neutral and everything above is a base

acids: coffee and lemon juice bases: milk soapy water 

pH