Select the correct answer.
which particles make up the nucleus of an atom?
a.
protons and electrons
b.
neutrons and electrons
c.
protons only
d.
protons and neutrons
e.
neutrons only

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.