Strontium Chloride Charge and Formula

The video tutorial explains how to write the formula for strontium chloride by using the periodic table to identify the elements and their charges. It describes the ionic nature of the compound and demonstrates the crisscross method to balance the charges, resulting in the formula SrCl2. The tutorial concludes with a verification of the formula to ensure the net charge is zero.

What is the symbol for strontium on the periodic table?

• Sr

• St

• Sn

• Sc

Which of the following is a nonmetal in the formation of strontium chloride?

• Calcium

• Strontium

• Chlorine

• Sodium

What is the ionic charge of strontium?

• 1+

• 2+

• 1-

• 2-

How does chlorine contribute to the charge balance in strontium chloride?

• It has a neutral charge

• It has a 1- charge

• It has a 3- charge

• It has a 2+ charge

What method is used to balance the charges in strontium chloride?

• Cross-multiplication

• Crisscross method

• Addition method

• Substitution method

In the crisscross method, what happens to the subscript of chlorine?

• It becomes 3

• It is removed

• It becomes 1

• It becomes 2

What is the final formula for strontium chloride?

• SrCl

• Sr2Cl2

• SrCl2

• Sr2Cl

What is the net charge of strontium chloride?

• 2+

• 1+

• 0

• 1-