Calculate the average atomic mass of element X using the table below. Then use the periodic table to identify the element. Separate your answers with a comma.

A) the enthralling of formation for pure element in its standard state is always positivehope this : )

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium

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