HESI A2
Chemistry HESI A2 Practice Test Questions
Question 1 of 5
What is the correct electron configuration for lithium?
Question 2 of 5
How many neutrons are in an atom of uranium-235?
Question 3 of 5
What is the oxidation state of the chlorine atom in the compound HCl?
Question 4 of 5
Radioactive isotopes are frequently used in medicine. What kind of half-life would a medical isotope probably have?
Question 5 of 5
How many times more acidic is a substance with a pH of 3 compared to a substance with a pH of 5?