Properties and Structure of KNO3

This video tutorial explains how to write the Lewis structure for potassium nitrate (KNO3). It covers the formation of ions, with potassium losing an electron to become positively charged and the nitrate ion gaining an electron to become negatively charged. The video details the ionic bond formation between these ions and describes KNO3 as a crystalline solid.

What type of compound is KNO3?

• Ionic compound

• Molecular compound

• Covalent compound

• Metallic compound

What is the charge of potassium in KNO3?

• Variable

• Positive

• Neutral

• Negative

Which group on the periodic table does potassium belong to?

• Group 18

• Group 1

• Group 2

• Group 17

What is the charge of the nitrate ion in KNO3?

• Negative two

• Neutral

• Positive one

• Negative one

What elements make up the nitrate ion?

• Nitrogen and sulfur

• Oxygen and hydrogen

• Nitrogen and hydrogen

• Nitrogen and oxygen

How does the ionic bond form in KNO3?

• By forming a covalent bond

• By sharing electrons

• By transferring electrons

• By overlapping orbitals

What is the physical state of KNO3 at room temperature?

• Liquid

• Gas

• Solid

• Plasma

What type of structure does KNO3 form?

• Amorphous

• Crystalline

• Polymeric

• Liquid crystal