What subatomic particles are found inside the nucleus

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which description best characterizes the motion of particles in a solid?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.