CHEM 109 EXAM 1 ACS General Chemistry Final Exam Mastery Guide Matter Structure Atoms Molecules Compounds Mixtures Properties Changes Atomic Number Mass Number Isotopes Periodic Trends Electronegativity Ionization Energy Atomic Radius Bonding Ionic Covale

CHEM 109 EXAM 1 ACS General Chemistry Final Exam Mastery Guide Matter Structure Atoms Molecules Compounds Mixtures Properties Changes Atomic Number Mass Number Isotopes Periodic Trends Electronegativity Ionization Energy Atomic Radius Bonding Ionic Covalent Polarity VSEPR Stoichiometry Reactions Solutions Molarity Molality Kinetics Equilibrium Thermodynamics Accuracy Precision Significant Figures Percent Error Exam Questions Verified and Provided with Complete A+ Graded Answers Latest Updated 2026 chemistry is the study of matter and the changes that matter undergoes. Matter is anything that has mass and occupies space. substance is a form of matter that has definite composition and distinct properties elements or compounds substances can be either ____ or ____ element a substance that cannot be separated into simpler substances by chemical means. molecule contains 2 or more different atoms atom fundamental particle that retains the identity of the elements compound substance made of 2 or more different types of atoms periods rows of periodic table groups columns of periodic table Br I N Cl H O F diatomic substances atoms or molecules element may consist of __ or __ liquid gas plasma solid types of matter solid condensed and crystalline solid doesnt flow,def volume, def shape solid, liquid vibration liquid limited translation and rotation movement condensed arranged in 3D crystalline particles of matter are as close as possible vibration held tightly but vibrating in place rotation somersaults translation point A to point B, straight line gases not limited translation and rotation gases compressable and flow easily mixture a physical combination of two or more substances. homogeneous mixture uniform throughout. heterogeneous mixture not uniform throughout