CHM1045 Prep

The Metric System

A system of measurement based on powers of ten, used widely in science.

Scientific Notation

A method of expressing numbers as a product of a coefficient and a power of ten.

Significant Figures

Digits in a number that contribute to its precision; includes all non-zero digits.

Dimensional Analysis

A method used to convert between units by using conversion factors.

Types of Matter

The classification of matter into elements, compounds, and mixtures.

Chemical Changes

Changes that result in the formation of new chemical substances.

Physical Changes

Changes that do not alter the chemical composition of a substance.

Density

Mass per unit volume of a substance, typically expressed in g/cm³ or kg/L.

Types of Energy

Forms of energy including kinetic, potential, thermal, chemical, and nuclear.

Heat Problems

Calculations related to the transfer of energy as heat.

Atomic Structure

The arrangement of protons, neutrons, and electrons in an atom.

The Mole Concept

A counting unit used in chemistry to express amounts of a substance.

Stoichiometry

The calculation of reactants and products in chemical reactions.

Molarity of Solutions

A measure of the concentration of a solute in a solution, expressed in moles per liter.

Formula Writing

The process of creating chemical formulas to represent compounds.

Nomenclature

The system of naming chemical compounds and compounds.

Types of Reactions

Classifications of chemical reactions including synthesis, decomposition, and combustion.

Behavior of Gases

The study of the physical properties and behavior of gases under various conditions.

The Periodic Table

A comprehensive arrangement of elements according to their properties and atomic number.

The Fundamental Concepts of Bonding

Basic principles explaining how atoms bond to form molecules.

The Fundamental Concepts of Solutions

Key ideas related to the solubility of substances in solvents.