Boron Trifluoride and Chemical Naming

The video tutorial explains how to write the formula for boron trifluoride, a covalent compound made of boron, a metalloid, and fluorine, a non-metal. It highlights the significance of the 'tri' prefix in the name, indicating three fluorine atoms, resulting in the formula BF3. The tutorial also covers how to name the compound from its formula, emphasizing the importance of recognizing the metalloid and non-metal components.

What type of compound is formed when a metalloid and a non-metal combine?

• Metallic compound

• Alloy

• Covalent compound

• Ionic compound

Which element in boron trifluoride is a non-metal?

• Boron

• Neither boron nor fluorine

• Fluorine

• Both boron and fluorine

What does the prefix 'tri' in boron trifluoride indicate?

• The presence of three molecules

• The presence of three fluorine atoms

• The presence of three compounds

• The presence of three boron atoms

How do you represent boron in the chemical formula for boron trifluoride?

• Bo

• Br

• Bn

• B

What is the chemical formula for boron trifluoride?

• BF

• BF3

• B2F3

• B3F

If given the formula BF3, how would you name it?

• Boron trifluoride

• Boron fluoride

• Trifluoroboron

• Fluorine boride

What is the role of the prefix 'tri' in the name boron trifluoride?

• Indicates the number of fluorine atoms

• Indicates the number of boron atoms

• Indicates the number of compounds

• Indicates the number of molecules