Learning) questions and answers 2026\2027
A+ grade
What do Biochemists study?
- correct answer 1. The relationship between structure and function of biomolecules
2. Chemical reactions of organisms
3. Communication within and among organisms
Smaller elements are favored because they can form stable covalent bonds. T or F
- correct answer True. Strong bonds form by significant overlap of atoms, such as carbon and hydrogen,
allowing them to share electrons.
What is the bond angle of a Linear molecule?
- correct answer 180 degrees
What is the bond angle of a Trigonal Planar?
- correct answer 120 degrees
What is the bond angle of a Trigonal Pyramidal?
- correct answer 107.5 degrees
what is the bond angle of Tetrahedral?
- correct answer 109.5 degrees
What is carbon referred to in the chemical world?
- correct answer The superglue
, What does organic chemistry study?
- correct answer Focuses on the chemical and physical properties of carbon compounds
What does inorganic chemistry study?
- correct answer The field dealing with metals, minerals, and other non-organic compounds
How many bonds can a Carbon form?
- correct answer 4! Due to having 4 valence electrons
What is a long chain of carbons called?
- correct answer Polymers
What is a cyclic compound?
- correct answer Carbons joined together in a closed chain
What are carbon compounds called?
- correct answer Alkanes
Condensed structures give a better idea of a molecules structure, compared to chemical formula. T or F
- correct answer T
Structural formula gives an even better idea of a molecules structure, compared to chemical formula
- correct answer T
Advantage of cyclic carbon compounds
- correct answer They are more restricted in their movements and orientation - advantageous for
building structures and maintaining shape
Carbon can form double and triple bonds with other carbon atoms or atoms of other elements. T or F
- correct answer T