What do you think is the difference between a scientific theory and law?

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

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!

How does climate change cause the ocean's thermohaline current to slow down?