Who introduced the concept of hybridization

• Pauling

• London

• Sidwick

• Alexander

What type of hybridization does a BCL₃ molecule undergo

• sp

• sp2

• sp3

• sp3d

What is the bond angle of H-C-H in methane molecule

• 104.5

• 109.5

• 108

• 120

What is the geometry of PCl₅ molecule

• Square pyramidal

• V-shaped

• Trigonal bipyramidal

• Tetrahedral

At room temperature, F is found to be.....

• solid
• gas
• liquid
• plasma

Which of the following is/are a common property of Fluorine

• Conducts electricity well
• Halogen

• Noble gas
• Low melting point
• Highly reactive nonmetal

Fluorine is a strong oxidizing agent, true or false

• true

• no

• false

• yes

What is the main industrial use of fluorine

• Manufacturing of steel
• Creation of plastic polymers
• Production of hydrofluoric acid
• Production of sulfuric acid

Fluorine can also be used in dental care

• True

• False

• Maybe

• none of the above

What is the most abundant occurring isotope of fluorine

• Fluorine-19
• Fluorine-17
• Fluorine-18
• Fluorine-20