Zinc and Ionic Compounds Concepts

The video tutorial explains how to write the chemical formula for zinc sulfate. It begins by identifying zinc on the periodic table and recognizing sulfate as a polyatomic ion. The tutorial discusses the ionic nature of the compound, emphasizing the need to balance charges. Zinc, a transition metal, consistently has a 2+ charge, while sulfate has a 2- charge, resulting in a net charge of zero. The correct formula for zinc sulfate is ZnSO4.

What is the element symbol for zinc?

• Zn

• Zc

• Z

• ZnS

Which of the following is a polyatomic ion?

• Hydrogen

• Sulfate

• Oxygen

• Zinc

What type of compound is formed by metals and non-metals?

• Ionic

• Covalent

• Molecular

• Metallic

Why is zinc considered an exception among transition metals?

• It always has a 2+ charge

• It has a variable charge

• It is not a metal

• It forms covalent bonds

What is the charge of the sulfate ion?

• 2+

• 1-

• 2-

• 0

What is the correct formula for zinc sulfate?

• ZnSO3

• Zn2SO4

• ZnSO4

• ZnS