What mass of copper is formed when 2.00 g of copper(ll)
oxide reacts with 1.00 g of hydrogen?

C) electrons encircling a nucleus with neutrons and protons

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

Heating it up with cause a quicker reaction time