Chemical Formulas and Ions

The video tutorial explains how to write chemical formulas for sodium chloride, sodium chlorite, and sodium hypochlorite. It begins with an introduction to these compounds, highlighting their common sodium component. The tutorial then delves into the specifics of each compound, discussing ionic charges and the significance of suffixes like 'ide' and 'ite'. Sodium chloride is identified as table salt, while sodium hypochlorite is noted as household bleach. The video emphasizes the importance of understanding polyatomic ions and the role of oxygen in differentiating these compounds.

What is the common element in sodium chloride, sodium chlorite, and sodium hypochlorite?

• Sodium

• Oxygen

• Hydrogen

• Chlorine

What is the chemical formula for sodium chloride?

• NaCl

• NaClO

• NaClO2

• NaOCl

What does the 'IDE' suffix in sodium chloride indicate?

• Presence of a polyatomic ion

• Presence of a metal

• Presence of a non-metal

• Presence of a single element ion

How do the charges balance in sodium chloride?

• 2+ and 2-

• 1+ and 2-

• 2+ and 1-

• 1+ and 1-

What does the 'ite' suffix in sodium chlorite suggest?

• A single element ion

• A non-metal ion

• A polyatomic ion

• A metal ion

What is the chemical formula for sodium chlorite?

• NaOCl

• NaClO2

• NaClO

• NaCl

Which of the following is a polyatomic ion?

• O2-

• Cl-

• Na+

• ClO2-

What does 'hypo' in sodium hypochlorite mean?

• No oxygen

• One less oxygen

• One more oxygen

• Two less oxygen

What is the chemical formula for sodium hypochlorite?

• NaCl

• NaClO

• NaOCl

• NaClO2

Which compound is commonly known as household bleach?

• Sodium chloride

• Sodium chlorite

• Sodium hypochlorite

• Sodium oxide