Iodine and Chlorine Compounds

The video tutorial explains how to write the chemical formula for iodine trichloride, a molecular compound composed of two non-metals: iodine and chlorine. It highlights the importance of prefixes in naming molecular compounds, specifically focusing on the prefix 'tri' which indicates three chlorine atoms in the compound. The tutorial also covers how to interpret the formula ICl3 and apply naming conventions for molecular compounds.

What type of compound is formed when iodine and chlorine combine?

• Covalent network solid

• Metallic compound

• Molecular compound

• Ionic compound

What is the element symbol for iodine?

• Id

• I

• Io

• Cl

How many chlorine atoms are present in iodine trichloride?

• One

• Two

• Four

• Three

What does the prefix 'tri' indicate in chemical nomenclature?

• Four

• Three

• One

• Two

If given the formula ICl3, what would be the correct name for the compound?

• Iodine chloride

• Iodine dichloride

• Iodine tetrachloride

• Iodine trichloride

Why is the prefix 'tri' used in the name iodine trichloride?

• Because there are three chlorine atoms

• Because there are two chlorine atoms

• Because there are three iodine atoms

• Because there is one iodine atom