HESI A2 Chemistry Practice Test 2024

HESI A2 Chemistry Practice Test 2024: HESI A2 Chemistry Exam with Our 25-Question Practice Test and Answers Online Quiz. Prepare to ace the HESI A2 Chemistry exam with our expertly designed online quiz featuring 25 practice questions and detailed answers.

This quiz covers essential chemistry topics, including atomic structure, chemical reactions, the periodic table, stoichiometry, etc. Each question is tailored to reflect the style and difficulty level of the actual HESI A2 exam, providing a realistic and practical study experience.

HESI A2 Chemistry Practice Test 2024

Ideal for nursing students and aspiring healthcare professionals, our HESI A2 Chemistry practice test helps you build confidence and improve your test-taking skills. With comprehensive explanations for each answer, you’ll deepen your understanding of fundamental chemistry concepts necessary for exam success.

Boost your preparation and increase your chances of achieving a high score on the HESI A2 Chemistry exam. Start practicing now with our convenient online quiz and take a significant step toward your healthcare career goals!

HESI A2 Chemistry Practice Test

HESI A2 Chemistry Practice Test
25 items | Suggested time: 25 minutes
Free Test No Registration is Required

1 / 25

What is the correct formula for silver hydroxide?

(A) AgO₂

(B) AgOH

(D) AgH₂O

2 / 25

A salt solution has a molarity of 1.5 M. How many moles of this salt are present in 2.0 L of this solution?

(A) 0.75

(B) 1.5

(D) 3.0

3 / 25

Which of these types of intermolecular force is strongest?

(A) Dipole-dipole interaction

(B) London dispersion force

(D) Hydrogen bonding

4 / 25

What is the oxidation state of the chlorine atom in the compound HCl?

(A) +1

(B) −1

(D) −2

5 / 25

What is the correct name of AgNO₃?

(A) Argent nitrous

(B) Argent oxide

(D) Silver nitrate

6 / 25

What is the charge of an alpha particle?

(A) −1

(B) +1

(D) No charge

7 / 25

To the nearest whole number, what is the mass of one mole of water?

(A) 16 g/mol

(B) 18 g/mol

(D) 22 g/mol

8 / 25

Which ion would you expect to dominate in water solutions of bases?

(A) MgCl₂

(B) 2HCl

(D) OH−

9 / 25

The molar mass of glucose is 180.0 g/mol. If an IV solution contains 5 g glucose in 100 g water, what is the molarity of the solution?

(A) 0.28M

(B) 1.8M

(D) 18M

10 / 25

What is the correct electron configuration for lithium?

(A) 1s²s¹

(B) 1s²2s²

(D) 1s¹2s¹2p²

11 / 25

How many neutrons are in an atom of uranium-235?

(A) 92

(B) 125

(D) 235

12 / 25

Which is a property of an ionic compound?

(A) Low melting point

(B) Poor conductivity

(D) Crystalline shape

13 / 25

Which element would you expect to be least reactive?

(A) Li

(B) Cr

(D) Xe

14 / 25

What is the coefficient of O2 after the following equation is balanced?

15 / 25

You would expect an amino acid to contain which two functional groups?

(A) R-NH2 and R-COOH

(B) R-CHO and R-CO-NH2

(D) R-O-R and R-COOH

16 / 25

Which of these factors would not affect rates of reaction?

(A) Temperature

(B) Surface area

(D) Time

17 / 25

Which of the following is not an allotrope of carbon?

(A) Diamonds

(B) Graphite

(D) Buckminsterfullerene

18 / 25

If gas A has four times the molar mass of gas B, you would expect it to diffuse through a plug ___________.

(A) at half the rate of gas B

(B) at twice the rate of gas B

(D) at four times the rate of gas B

19 / 25

B, Si, As, Te, At, Ge, and Sb form a staircase pattern on the right side of the periodic table. How can these elements be classified?

(A) As metals

(B) As semimetals

(D) As ultrametals

20 / 25

Al(NO₃)₃ + H₂SO₄ → Al₂(SO₄)₃ + HNO₃ is an example of which kind of reaction?

(A) Decomposition reaction

(B) Synthesis reaction

(D) Double replacement reaction

21 / 25

When an acid is added to a base, water and a salt form. What kinds of bonds form in these two compounds?

(A) Liquid and metallic

(B) Polar and nonpolar covalent

(D) Ionic only

22 / 25

Radioactive isotopes are frequently used in medicine. What kind of half-life would a medical isotope probably have?

(A) Seconds long

(B) Days long

(D) Many years long

23 / 25

A substance with a pH of 3 is how many times more acidic than a substance with a pH of 5?

(A) 8

(B) 2

(D) 1,000

24 / 25

Carbon-12 and carbon-14 are isotopes. What do they have in common?

(A) Number of nuclear particles

(B) Number of protons

(D) Mass number

25 / 25

Which of these molecules contains glucose?

(A) Proteins

(B) Lipids

(D) Carbohydrates

Your score is

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