Strontium Sulfide and Ionic Charges

This video tutorial explains how to write the chemical formula for strontium sulfide. It begins by introducing the components, strontium and sulfur, and their respective chemical symbols. The tutorial then focuses on balancing the ionic charges of strontium (2+) and sulfur (2-) to achieve a net charge of zero, resulting in the correct formula for strontium sulfide. The video concludes with a summary of the process.

What is another name for strontium sulfide?

• Strontium monosulfide

• Strontium disulfide

• Strontium sulfate

• Strontium sulfite

What is the chemical symbol for strontium?

• St

• Sr

• Sm

• Sn

Why is it important to balance charges in strontium sulfide?

• To ensure the compound is stable

• To decrease the compound's reactivity

• To make the compound colorful

• To increase the compound's weight

What is the ionic charge of strontium in strontium sulfide?

• 3+

• 0

• 2+

• 1+

How do the charges of strontium and sulfur combine in strontium sulfide?

• They result in a net charge of 2+

• They balance to give a net charge of zero

• They both have a 1- charge

• They both have a 1+ charge