Diatomic Elements and Their Molecular Forms

The video discusses diatomic elements, which naturally exist as diatomic molecules, focusing on seven key elements: hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine. It explains the concept of diatomic molecules and their natural states. The video also covers the Lewis structures of these molecules, highlighting the bonding preferences of each element. Additionally, it touches on non-diatomic elements like phosphorus and sulfur, explaining their common forms and structures. The video concludes with a summary of the discussed topics.

Which of the following is NOT a diatomic element?

• Phosphorus

• Nitrogen

• Oxygen

• Hydrogen

What is the most stable form of oxygen under standard conditions?

• O4

• O

• O3

• O2

What is the chemical formula for ozone?

• O

• O4

• O3

• O2

Which diatomic element is a liquid at room temperature?

• Fluorine

• Iodine

• Bromine

• Chlorine

Which of the following elements is a solid at room temperature and forms a diatomic molecule?

• Chlorine

• Fluorine

• Iodine

• Bromine

How many bonds does a nitrogen atom typically form to satisfy the octet rule?

• Three

• Two

• Four

• One

How many lone pairs does each oxygen atom have in an O2 molecule?

• Four

• Three

• Two

• One

Which element forms a P4 molecule in its natural state?

• Sulfur

• Oxygen

• Phosphorus

• Nitrogen

What shape does the S8 molecule form?

• Hexagonal

• Octagonal

• Tetrahedral

• Linear

Which group in the periodic table do oxygen and sulfur belong to?

• Group 8A

• Group 5A

• Group 6A

• Group 7A