Zinc Bicarbonate and Polyatomic Ions

The video tutorial explains how to write the formula for zinc bicarbonate. It begins by identifying zinc as a metal with a 2+ charge and bicarbonate as a polyatomic ion with a 1- charge. The tutorial emphasizes the need to balance these charges to achieve a net charge of zero, resulting in the formula Zn(HCO3)2. The video concludes with a summary of the process and a thank you from Dr. B.

What is the symbol for zinc in the periodic table?

• Z

• Zc

• Zn

• Zn2

Which of the following is a polyatomic ion?

• Oxygen

• Hydrogen

• Bicarbonate

• Zinc

What is the ionic charge of zinc in zinc bicarbonate?

• 2-

• 1-

• 2+

• 1+

How many bicarbonate ions are needed to balance the charge of one zinc ion?

• One

• Two

• Three

• Four

What is the net charge of the zinc bicarbonate compound?

• 1-

• 2-

• 0

• 1+

What is the correct formula for zinc bicarbonate?

• ZnHCO3

• Zn2HCO3

• Zn(HCO3)2

• Zn2(HCO3)