If an atom contains 4 protons and 6 electrons, what is its overall net charge?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

What is the subscript for oxygen in its molecular formula

The fact that the total amount of energy in a system remains constant is a(n)