Chemical Properties of Sodium Compounds

The video tutorial explains how to write the chemical formula for baking soda, also known as sodium bicarbonate or sodium hydrogen carbonate. It covers the identification of chemical symbols for sodium (Na), hydrogen (H), and carbonate (CO3), and discusses the charges of these ions. Sodium and hydrogen both have a +1 charge, while the carbonate ion has a -2 charge. By balancing these charges, the correct formula for baking soda is determined to be NaHCO3.

What is the modern name for baking soda?

• Sodium sulfate

• Sodium chloride

• Sodium hydrogen carbonate

• Sodium hydroxide

Which symbol represents sodium in the periodic table?

• Si

• N

• S

• Na

What is the chemical formula for the carbonate ion?

• CO2

• CO3

• C2O3

• C2O4

What is the charge of the carbonate ion?

• -2

• +1

• -1

• +2

What is the correct chemical formula for baking soda?

• NaHCO3

• Na2CO3

• NaCl

• NaOH