Tetraphosphorus Decoxide Concepts

The video tutorial explains how to write the chemical formula for tetraphosphorus decoxide, which is P4O10. It details the use of prefixes to determine the number of atoms in the compound, with 'tetra' indicating four phosphorus atoms and 'dec' indicating ten oxygen atoms. The video also discusses alternative names for P4O10, such as phosphorus pentoxide and diphosphorus pentoxide, due to historical reasons. The tutorial concludes with a summary of the information presented.

What type of compound is tetraphosphorus decoxide?

• Ionic compound

• Molecular compound

• Covalent network solid

• Metallic compound

What elements make up tetraphosphorus decoxide?

• Phosphorus and hydrogen

• Phosphorus and oxygen

• Phosphorus and sulfur

• Phosphorus and nitrogen

How many phosphorus atoms are in the formula for tetraphosphorus decoxide?

• Five

• Two

• Three

• Four

What does the prefix 'dec' indicate in the formula P4O10?

• Four

• Ten

• Six

• Eight

Which of the following is NOT a name for P4O10?

• Phosphorus pentoxide

• Tetraphosphorus decoxide

• Phosphorus trioxide

• Diphosphorus pentoxide

Why does P4O10 have different historical names?

• For historical reasons

• Due to its different physical states

• Because of its varying chemical properties

• Because it is a newly discovered compound