Chemical Compounds and Nomenclature

This video tutorial explains how to write the chemical formula for silicon tetrachloride (SiCl4). It begins by identifying silicon as a metalloid and chlorine as a non-metal, forming a molecular compound. The video emphasizes the importance of prefixes in naming covalent compounds. It then details the process of writing the formula, highlighting that 'tetra' indicates four chlorine atoms. The tutorial concludes with guidance on naming the compound using prefixes.

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

• Alloy

• Metallic compound

• Molecular compound

• Ionic compound

What is the element symbol for silicon?

• C

• Cl

• S

• Si

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

• Two

• Three

• Four

• Five

How many chlorine atoms are present in silicon tetrachloride?

• One

• Two

• Three

• Four

What is the correct formula for silicon tetrachloride?

• SiCl4

• SiCl3

• SiCl2

• SiCl

When given the formula SiCl4, what is the correct name for the compound?

• Silicon dichloride

• Silicon chloride

• Silicon tetrachloride

• Silicon trichloride