Refer to Infographic 5

question 3

Multiple Choice

Refer to Infographic 5.If the half-life of a certain radioactive isotope is 5 years and 100 atoms of parent material exist in the original sample,how many parent atoms will be present in the sample after 10 years?

• A)100
• B)75
• C)50
• D)25

Draw resonance structures and understand their role in reaction mechanisms.

Arrange alkyl halides based on physical properties (e.g., boiling point) or reactivity.

Differentiate between polar and aprotic solvents and their impact on nucleophilicity and solvation.

Recognize factors influencing nucleophilicity and apply this understanding to rank or compare nucleophiles.

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Definitions:

Measure

To ascertain the size, amount, or degree of something typically using an instrument or device designed for that purpose.

Phacolysis

A surgical procedure for cataract removal where the lens is liquefied and aspirated.

Crystalline Lens

A transparent, flexible structure in the eye that helps to focus light onto the retina, changing shape to aid in visual accommodation.

Surgical Destruction

Surgical destruction refers to the deliberate removal or damage of tissue or organ parts during a surgical procedure for therapeutic purposes.