Comprehensive Chemistry Review: Intermolecular Forces, Atomic Structure, and Chemical Reactions

1. What is the strongest of the intermolecular forces?A. Hydrogen bonding B. DispersionC. Dipole interactionsD. Van der Waals forces

Hydrogen bonding

2. Which types of molecules will dissolve readily in water?A. FatsB. OilsC. Polar D. Nonpolar

Polar

3. What is the volume needed to prepare 1 liter of 3.60 M H₂SO₄ from a stock solution of 12 M H₂SO₄?A. 0.400 LB. 0.300 L C. 0.600 LD. 0.240 L

0.300 L

4. What is the insoluble product produced by the chemical reaction between calcium chloride and sodium carbonate?A. CaCO₃ B. H₂OC. HClD. NaHCO₃

CaCO₃

Bacon grease is solid at room temperature and vegetable oil is liquid. Although they have different properties, what type of biochemical compound describes both of them?A. Protein B. Lipid C. Enzyme D. Carbohydrate

Lipid

How is the atomic mass of an element calculated?A. Electrons plus neutronsB. Protons plus electronsC. Number of protonsD. Protons plus neutrons

Protons plus neutrons

. The atomic number of an element represents the amount of which particle?A. Protons B. NeutrinosC. ElectronsD. Neutrons

Protons

What term best describes NaOH in this reaction? HCl + NaOH = NaCl + H₂O

A. Gas B. Product C. Reactant D. Acid

Reactant

What type of bonding occurs between nitrogenous bases in complementary strands of DNA?A. Nonpolar covalent B. Hydrogen C. Polar covalent D. Van der Waals forces

Hydrogen

Which term describes urine sample with a pH value of 5.5?A. Neutral B. Balanced C. Acidic D. Alkaline

Acidic

Which statement describes the interaction of Na and Cl?A. NaCl is strong acid that requires neutralization in water.B. Na⁺ and Cl⁻ are ions that form a covalent bond.C. Na and Cl are nonelectrolytes that fail to dissolve in solution.D. Na⁺ and Cl⁻ are ions that dissociate in solution.

Na⁺ and Cl⁻ are ions that dissociate in solution.

The electron can be found in which location of an atom?A. Quantum B. Configuration C. Orbital D. Dimension

Orbital

Which term is used to describe atoms that have the same number of protons, but a differing number of neutrons?A. Atoms B. Allotropes C. Species D. Isotopes

Isotopes

A neutral atom contains seven electrons. How many protons does this atom contain? A. 8 B. 9 C. 14 D. 7

7

. What particles orbit the nucleus of an atom?A. Protons B. Neutrons C. Photons D. Electrons

Electrons

What process occurs when hydrogen and hydroxide ions are combined in equal concentrations?A. Neutralization B. Conjugation C. Acidification D. Ionization

Neutralization

. What subatomic particles are located in the nucleus and are without a charge?A. Electrons B. Protons C. Neutrons D. Photons

Neutrons

. What is the formula mass of Fe₂(SO₄)₃?A. 399.9 grams/mol. B. 400 grams.C. 103.9 grams.D. 103.9 grams/mol.

. 399.9 grams/mol

Four different reservoirs each have a different pH. Which is the most acidic?A. 6.9 B. 6.5 C. 7.1 D. 6.7

6.5

What type of bond is formed when four electrons are shared between two atoms?A. Single covalent bond B. Hydrogen bond C. Ionic bond D. Double covalent bond

Double covalent bond

If 1.5 grams of salt is dissolved in 250 mL of water (d = 1.00 g/mL), which role is salt playing in the solution?A. Salt is the solvent .B. Salt is the solute. C. Water is solution without salt. D. The mixture of water and salt is called solvent.

Salt is the solute.

What is the molecular mass of Cu(NO₃)₂ measured in atomic mass units (amu)?A. 106.35 B. 15.99 C. 63.55 D. 187.55

187.55

How much acid is required to neutralize a base, resulting in a pH of seven?A. Half as much H⁺ as OH⁻ .B. Three times as much H⁺ as OH⁻.C. Twice as much H⁺ as OH⁻.D. The same amount of H⁺ as OH⁻.

The same amount of H⁺ as OH⁻

Red litmus paper turns blue in basic solutions. Which pH value would most likely result in a blue color?A. 6 B. 8 C. 4 D. 2

8

What term describes the region in space where there is a high probability of finding an electron?A. Quantum B. Configuration C. Orbital D. Dimension

Orbital

Nonmetals form bonds by sharing electrons and thereby create stable compounds. What are these types of bonds called?A. Ionic B. Van der Waals forces C. Covalent D. Temporary

Covalent

What is the molecular weight of ethanol C₂H₅OH (atomic weights of each element are: C = 12 g/mol, H = 1 g/mol, O = 16 g/mol)?A. 45 g/mol B. 34 g/mol C. 46 g/mol D. 40 g/mol

46 g/mol

What happens to energy according to the law of conservation of energy?A. Neither creation nor destruction. B. Can never be destroyed .C. Creation and destruction .D. Always being created

Neither creation nor destruction.

Water is in what state of matter at room temperature?A. Vapor B. Gas C. Liquid D. Solid

Liquid

Which statement is correct about elements?A. Boron is metal .B. Copper is a poor conductor .C. Sulfur is a good conductor. D. Iron is transition metal

Iron is transition metal