What fundamental characteristic is now used to characterize and arrange
elements in the modern periodic table?

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

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.