Rock the Red Seal Cosmetology Exam 2026 – Style Your Future with Confidence!

Question: 1 / 400

What does 'N' stand for in COHNS?

Nitrate

Neon

Nitrogen

COHNS is an acronym used to remember the elements that make up most living organisms - Carbon, Oxygen, Hydrogen, Nitrogen, and Sulfur. Nitrate (A) and Nitrogen (C) are both forms of nitrogen, but Nitrate refers to a compound while Nitrogen refers to an element. Neon (B) and Niobium (D) are both elements, but they are not included in the COHNS acronym. Neon is not found in living organisms and Niobium is a transition metal that is not as prevalent as the other elements in COHNS. Therefore, the most appropriate answer is C Nitrogen.

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Niobium

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