Question 1

Which subatomic particle is responsible for the chemical properties of an element?

Accepted Answer

Electron

Question 2

Which of the following best describes the Pauli exclusion principle?

Accepted Answer

No two electrons in an atom can have the same set of four quantum numbers.

Question 3

What is the electron configuration for a neutral oxygen atom?

Accepted Answer

$$1s^2$$\ $$2s^2$$\ $$2p^4$$

Question 4

Which type of chemical bond involves the sharing of electron pairs between atoms?

Accepted Answer

Covalent bond

Question 5

Which law states that the total mass of reactants equals the total mass of products in a chemical reaction?

Accepted Answer

Law of Conservation of Mass

Question 6

A solution contains 0.5 mol of NaCl dissolved in 1.0 L of water. What is the molarity of the solution?

Accepted Answer

$$0.5\ \mathrm{M}$$

Question 7

Which of the following is a strong acid commonly found in laboratory settings?

Accepted Answer

Hydrochloric acid

Question 8

Which of the following is NOT a property of metals?

Accepted Answer

Brittleness

Question 9

Which process is responsible for the breakdown of glucose to produce energy in cells?

Accepted Answer

Glycolysis

Question 10

Which of the following best describes the Bronsted-Lowry definition of acids and bases?

Accepted Answer

Acids are proton donors; bases are proton acceptors.

Question 11

Which of the following molecules is a carbohydrate?

Accepted Answer

Glucose

Question 12

Which of the following is the correct formula for calculating the pH of a solution?

Accepted Answer

$$\mathrm{pH} = -\log_{10}[H^+]$$

Question 13

Which of the following is a function of enzymes in biological systems?

Accepted Answer

They catalyze chemical reactions.

Question 14

Which of the following is a product of the neutralization reaction between hydrochloric acid and sodium hydroxide?

Accepted Answer

Sodium chloride and water

Question 15

Which of the following is a property of lipids?

Accepted Answer

They are hydrophobic.

Question 16

Which quantum number describes the orientation of an orbital in space?

Accepted Answer

Magnetic quantum number ($$m_l)$$

Question 17

Which of the following is a correct statement about oxidation and reduction?

Accepted Answer

Oxidation is the loss of electrons; reduction is the gain of electrons.

Question 18

Which of the following is a correct representation of Avogadro's number?

Accepted Answer

$$6.022 	imes 10$$^{23}$$

Question 19

Which of the following is a correct statement about isotopes?

Accepted Answer

Isotopes have the same number of protons but different numbers of neutrons.

Question 20

Which of the following is a correct statement about the periodic table?

Accepted Answer

Elements in the same group have similar chemical properties.

Comprehensive Study Notes: General Chemistry Topics Overview

Study Guide - Practice Questions