The volume of gas in a balloon is 1.90L at 21.0°C. The balloon is heated, causing it to expand to a volume of 5.70L. what is the new temperature of the gas inside the balloon?

Outermost (valence) electrons

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic