Report Why Trust the Bible? in Religion & Politics Posted June 5, 2017 1 minute ago, DogOnPorch said: What about metallicity? Do you have some knowledge of chemistry and how all that works? Some but it was a long time ago. I had a chemistry lab in the basement when I was a kid. Had quite a collection of chemicals. Passed chemistry in high school but can't remember much now. I know a little about chemical reactions. What about metalicity?