Sodium and Permanganate Compounds

The video tutorial explains how to write the formula for sodium permanganate. It begins by identifying sodium on the periodic table and recognizing permanganate as a polyatomic ion. The tutorial details the charges of sodium and permanganate ions and demonstrates how to balance these charges to form a neutral ionic compound. The final formula for sodium permanganate is presented as NaMnO4.

What is the element symbol for sodium?

• S

• Sd

• Na

• So

Which of the following is a polyatomic ion?

• Sodium

• Chloride

• Oxygen

• Permanganate

What is the charge of a sodium ion?

• 2-

• 1-

• 2+

• 1+

How do the charges of sodium and permanganate ions combine to form a neutral compound?

• 1+ and 1- add up to zero

• 2+ and 2- add up to zero

• 1+ and 2- add up to zero

• 2+ and 1- add up to zero

What is the chemical formula for sodium permanganate?

• NaMnO4

• Na2MnO3

• NaMnO3

• Na2MnO4