Understanding Titanium Compounds and Ions

The video tutorial explains how to write the chemical formula for titanium(IV) sulfide. It begins by identifying the element symbols for titanium and sulfur, noting that titanium is a transition metal with a 4+ charge, while sulfur has a 2- charge. The tutorial then demonstrates how to balance these charges to form a neutral compound, resulting in the formula TiS2. It also discusses naming conventions, mentioning that the compound can be referred to as titanium disulfide due to the presence of two sulfur atoms.

What is the chemical symbol for titanium?

• Ti

• T

• Ta

• Tm

What does the Roman numeral IV indicate in titanium(IV) sulfide?

• The number of sulfur atoms

• The charge of sulfur

• The charge of titanium

• The number of titanium atoms

What is the ionic charge of sulfur in titanium(IV) sulfide?

• 2+

• 4+

• 2-

• 4-

How many sulfide ions are needed to balance the charge of one titanium ion in titanium(IV) sulfide?

• Four

• Three

• Two

• One

What is the chemical formula for titanium(IV) sulfide?

• Ti2S

• TiS2

• TiS

• Ti2S3

What does the prefix 'di' in titanium disulfide indicate?

• Two titanium atoms

• Two hydrogen atoms

• Two sulfur atoms

• Two oxygen atoms