Periodic Trends Answers

Click on the element in the periodic table to explore the atomic radii of elements from Period 3 and Group 17. Fill in the missing values in the table so you can compare the atomic radii of the elements. After the table is filled in, compare the values in each column.A =

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus.

As you move from top to bottom within a group, the first ionization energy increases✔ decreases.