Cesium and Its Compounds

The video tutorial explains how to write the formula for cesium chloride. It begins by identifying the element symbols for cesium and chloride using the periodic table. The tutorial then discusses the importance of considering ionic charges, noting that cesium has a 1+ charge and chloride has a 1- charge. Since cesium chloride is a neutral compound, the charges must balance to zero, resulting in the formula CsCl. The video concludes with a summary of the process and the final formula.

What is the symbol for cesium on the periodic table?

• Cs

• Cl

• C

• Ce

Which group does cesium belong to on the periodic table?

• Group 17

• Group 2

• Group 18

• Group 1

What is the ionic charge of a cesium ion?

• 2+

• 1-

• 1+

• 2-

What is the ionic charge of a chloride ion?

• 1+

• 2+

• 1-

• 2-

Why is cesium chloride considered a neutral compound?

• Because it dissolves in water

• Because it has equal numbers of cesium and chlorine atoms

• Because the total positive and negative charges balance each other

• Because it is a gas at room temperature

What is the correct formula for cesium chloride?

• CCl

• CsCl

• Cs2Cl

• CsCl2