It's where chemical elements are organized based on atomic weight. Also, like/similar physical and chemical properties in each interval of 7 elements.
It was a silly reason it was rejected. It was rejected because it's octaves were too similar to those in music.
I hope this helps!
I think Geothermal but I’m not 100% sure
Sorry I cant I just need some points
3.62x10^24/ 6.02x10^23= 6.013 moles to 3dp