Chemical Nomenclature and Compounds

The video tutorial explains how to write and understand the formula for silicon tetrafluoride (SiF4). It begins by identifying silicon as a metalloid and fluorine as a non-metal, forming a covalent compound. The tutorial then details the process of writing the formula, emphasizing the use of prefixes like 'tetra' to indicate the number of fluorine atoms. Finally, it covers how to name the compound using these prefixes, highlighting the importance of recognizing the elements involved.

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

• Alloy

• Metallic compound

• Molecular or covalent compound

• Ionic compound

What is the element symbol for silicon?

• Si

• Sc

• S

• Sl

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

• Two

• Three

• Five

• Four

How many fluorine atoms are present in silicon tetrafluoride?

• Four

• One

• Two

• Three

What is the correct formula for silicon tetrafluoride?

• SiF

• SiF2

• SiF3

• SiF4

When naming a compound with a metalloid and a non-metal, what should be used?

• Prefixes

• Roman numerals

• Greek letters

• Suffixes

If given the formula SiF4, what is the correct name for the compound?

• Silicon difluoride

• Silicon tetrafluoride

• Silicon trifluoride

• Silicon fluoride