Sodium and Fluorine Compounds

The video tutorial explains how to write the chemical formula for sodium fluoride. It begins by identifying sodium and fluorine on the periodic table, noting that sodium is a metal and fluorine is a nonmetal, forming an ionic compound. The tutorial then discusses the charges of sodium (+1) and fluorine (-1) and demonstrates how to balance these charges to achieve a net charge of zero. Finally, the video shows the removal of charges to present the final formula, NaF, for sodium fluoride.

What is the symbol for sodium on the periodic table?

• S

• Na

• So

• Sd

Which of the following is a nonmetal?

• Sodium

• Fluorine

• Iron

• Copper

What type of compound is formed between sodium and fluorine?

• Molecular

• Ionic

• Covalent

• Metallic

What is the charge of a sodium ion?

• +1

• -1

• 0

• +2

What is the chemical formula for sodium fluoride?

• NaF2

• Na2F

• NaF

• NaFl