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HESI A2 · Chemistry · Chemistry HESI A2 Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What can stop the penetration of gamma radiation?

A. Aluminum foil

B. Glass

C. Several feet of concrete

D. Piece of paper

Correct Answer: Several feet of concrete

Question 2 of 5

How many pairs of electrons are shared between two atoms in a single bond?

A. 1

B. 2

C. 3

D. 4

Correct Answer: 1

Question 3 of 5

What is the product of the decomposition of water?

A. Hydrogen and oxygen

B. Carbon dioxide

C. Nitrogen and hydrogen

D. Methane

Correct Answer: Hydrogen and oxygen

Question 4 of 5

What charge do Group IIIA elements have?

A. 1

B. 2

C. 3

Correct Answer: 3

Question 5 of 5

What are the three types of intermolecular forces?

A. Ionic, covalent, hydrogen

B. Hydrogen bonding, dipole interactions, dispersion forces

C. Van der Waals, ionic, covalent

D. Hydrogen, Van der Waals, dispersion forces

Correct Answer: Hydrogen bonding, dipole interactions, dispersion forces

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