HESI A2 Practice Test # 1 Chemistry latest update 2025

HESI A2
Practice Test # 1

Chemistry



***Please do not write on the test booklet***


Answer questions to the best of your abilities. How you do on
this test will help us find the right strategy to help you improve
your HESI A2 score. This test is for Practice purposes only.
Your actual test will differ from this Practice test. You have 30
minutes to complete this section. Good luck!

, 1. An atom with an electrical charge is called a(n):

a. Electron
b. Enzyme
c. Molecule
d. Ion

2. In the periodic table, what are the rows called?

a. Groups
b. Moles
c. Columns
d. Periods

3. How many neutrons are in an atom of carbon-12?

a. 2
b. 4
c. 6
d. 24

4. The rate of a chemical reaction depends on all of the following except:

a. Amount of mass lost
b. Presence of catalysts
c. Temperature
d. Surface Area

5. Chemical bonding is the bonding of which of the following?

a. One atom to another atom
b. One mole to another mole
c. A proton to an electron
d. One cation to another cation

6. Blood with a pH of 1.3 indicates what about the blood sample?

a. It is strongly acidic