Which of the Following Contains Two Species Which Are a Pair

question 84

Multiple Choice

Which of the following contains two species which are a pair of isotopes?

• A) ¹⁴C, ¹⁴N
• B) ¹²C, ¹³C
• C) both a and b
• D) neither a nor b

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Definitions:

Difficulty Swallowing

Known medically as dysphagia, this is a condition where individuals experience problems in the act of swallowing.

Crushing Medications

The process of breaking down pills into a fine powder to facilitate easier ingestion or administration via enteral feeding tubes, not suitable for all medications.

Eyedrops

A liquid medication administered into the eye to treat various conditions or provide lubrication.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, responsible for focusing most of the light entering the eye.