HESI A2 Exam Prep

Ace the HESI A2 exam with practice questions and mock tests.

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Periodic Table & Periodic Trends

Practice questions for Periodic Table & Periodic Trends in the HESI A2 exam.

Question 4 of 5

What makes noble gases chemically unreactive?

Their outer electron shell is full.

They are found in the atmosphere.

They contain more neutrons than other elements.

They have high atomic mass.

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