Which of these is a property of acid?
a. they taste sour
b. they turn litmus paper blue
c. they typically cantain an -oh group
d. they feel slipperey

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.