Sulfide and Sulfate Ions Concepts

The video tutorial explains how to write the formula for the sulfide ion, emphasizing its negative charge as an anion derived from sulfur. It highlights the formula S2- and discusses periodic table trends for ion charges, particularly focusing on Group 16 elements like sulfur and oxygen. The video also distinguishes between sulfide, sulfite, and sulfate ions, noting the differences in their structures and charges. The tutorial concludes with a reminder of these key points.

What type of charge does the sulfide ion carry?

• Negative

• Positive

• Variable

• Neutral

Which element is the sulfide ion derived from?

• Sulfur

• Nitrogen

• Oxygen

• Phosphorus

What is the formula for the sulfide ion?

• SO3 2-

• SO4 2-

• S2-

• S2+

In the periodic table, which group forms 2- ions?

• Group 16

• Group 1

• Group 2

• Group 18

Which group does sulfur belong to in the periodic table?

• Group 1

• Group 2

• Group 16

• Group 18

What is the charge of ions formed by elements in Group 16?

• 1+

• 2+

• 3-

• 2-

Which of the following is a polyatomic ion?

• Sodium

• Sulfite

• Sulfide

• Sulfur

How does the sulfate ion differ from the sulfide ion?

• It is a single atom

• It has a positive charge

• It is a polyatomic ion

• It has no charge