Making models involves creating representations of complex objects or processes to people study and understand things that cannot be observed directly. a. true b. false

Describe the interaction that occurs between two objects with the same electrical charge.

Which of these conditions most likely produces an unstable isotope?

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!