Strontium Acetate and Ionic Compounds

This video tutorial explains how to write the formula for strontium acetate. It begins by identifying strontium on the periodic table and discussing the acetate ion, which is a polyatomic ion not found on the table. The video covers different ways to write the acetate ion, emphasizing the need to balance ionic charges to achieve a neutral compound. The tutorial concludes with the final formula for strontium acetate, ensuring the charges add up to zero.

What is the symbol for strontium on the periodic table?

• St

• Sr

• Sm

• Sn

Which of the following is true about the acetate ion?

• It has a positive charge.

• It is a monatomic ion.

• It is a polyatomic ion.

• It can be found on the periodic table.

How many different ways can the acetate ion be represented?

• None

• Several

• Two

• One

What is the ionic charge of strontium?

• 1+

• 2+

• 1-

• 2-

Why must the charges in strontium acetate add up to zero?

• Because it is a neutral compound.

• Because it is a polyatomic ion.

• Because it is a gas.

• Because it is an element.

What is the purpose of placing parentheses around the acetate ion in the formula?

• To indicate it is a gas.

• To show it is a solid.

• To balance the charges.

• To denote it is a liquid.

What is the final formula for strontium acetate?

• Sr(C2H3O2)

• Sr2(C2H3O2)

• Sr(C2H3O2)2

• SrC2H3O2