The process by which land becomes more desertlike

What does x represent in the formula for the compound xcl4?

Based on its chemical properties, identify the position of each chemical family on the periodic table.

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.