In an electron configuration, what does a superscript stand for?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

What is the atomic number of an atom that has 6 protons