Convert .4076grams into moles
Element is copper

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!