Steve is performing a titration, where a base is at an unknown concentration. What would he choose as his indicator solution? A. A chemical that clear when acidic and turns color when basic.
B. A chemical that's clear when basic and turns color when acidic.
C. A chemical that runs color when the temperature changes.
D. A chemical that buffers the solution.

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.