HESI A2 Practice Test & Study Guide
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Chemistry • Chemistry Topics
Atomic Structure
Master Atomic Structure concepts with free HESI A2 practice questions and detailed rationales. These questions will help you reinforce your understanding and improve your score on the HESI A2 exam.
Free Practice Questions (2)
Question 1easy
HESI A2 Chemistry – Calculate Atomic Number from Protons and Atomic Mass
An unknown element is found to contain 45 protons and has an atomic mass of 64. What is its atomic number?
Question 2medium
HESI A2 Chemistry – Understanding Subatomic Particles: Mass and Charge
Which of the following statements is true regarding subatomic particles?