Looking at the elements electron configuration
why do you think the size of that element gets larger as you move down a group?

The element that has the greatest electronegativity is

How does the motion of particles in a gas change as the gas cools

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.