<span>D) Contradictory observations are found.
Science doesn't care if the public agrees with it. Facts don't rely on opinion</span>
The ratio Potassium : Selenium is 39:78 but that can be simplified to 13:26 (divide each by 3) in grams. Hope this helps.
Answer:
Lead
Explanation:
As you move down the periodic table, the elements get larger and gain additional electron shells, increasing the radius. In order, they are on the table as Chlorine, Selenium, Lead.