Please help it's timed ​

Compare and contrast physical changes with chemical changes.

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat

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.