He thought elements that haven't been discovered belonged in the place of the gap. He could also use the atomic mass of the missing elements
c well actually I remember being tought this but I cant remember it 100
2.47 moles are produce if 85g of N2 react with 180g of Mg
Answer:
To keep a record of who has the evidence and when
Explanation:
Don't want anyone tampering with it, hope this helps!!!
