Which group appears to have members of the largest atomic radii for a given period, which group has the smallest radii

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.

State the effect on the concentration of the clo- ion when there is a decrease in the concentration of the oh- ion