Cesium and Phosphide Compounds

The video tutorial explains how to write the formula for cesium phosphide (Cs3P). It begins by identifying the element symbols for cesium and phosphide, then discusses the ionic nature of the compound. The tutorial covers how to balance the charges of cesium and phosphorus to form a neutral compound, resulting in the formula Cs3P. It concludes with instructions on naming the compound based on its formula.

What is the element symbol for cesium?

• C

• Cm

• Cs

• Ce

Which group is cesium located in on the periodic table?

• Group 4

• Group 2

• Group 3

• Group 1

What is the ionic charge of phosphorus in phosphide?

• 3-

• 2-

• 4-

• 1-

How many cesium ions are needed to balance one phosphide ion?

• 4

• 3

• 2

• 1

What is the chemical formula for cesium phosphide?

• Cs3P

• Cs4P

• Cs2P

• CsP

If given the formula Cs3P, what is the name of the compound?

• Cesium Phosphite

• Cesium Phosphate

• Cesium Phosphide

• Cesium Phosphorus

What is the significance of the charges in forming the formula for cesium phosphide?

• They determine the color of the compound.

• They help in balancing the compound to be neutral.

• They indicate the compound's solubility.

• They show the compound's melting point.