Chemistry 121 Exam 1 High Yield Study Guide Matter States Properties Changes Pure Substances Elements Compounds Mixtures Homogeneous Heterogeneous Phase Changes Sublimation Deposition Melting Freezing Vaporization Condensation Separation Filtration Distil

Chemistry 121 Exam 1 High Yield Study Guide Matter States Properties Changes Pure Substances Elements Compounds Mixtures Homogeneous Heterogeneous Phase Changes Sublimation Deposition Melting Freezing Vaporization Condensation Separation Filtration Distillation Chromatography Density Extensive Intensive Atomic Structure Electron Discovery Thomson Millikan Rutherford Nuclear Model Exam Questions Verified and Provided with Complete A+ Graded Answers Latest Updated 2026 What are the three states of matter? solid, liquid and gas ___ is the study of properties and behavior of matter. chemistry ___ is the physical material of the universe. It is also anything the has mass and occupies space. matter __ is matter that is made up of one "thing" pure substance __ is a mixture that doesn't have the same composition, properties, and appearance throughout. heterogeneous __ is a mixture that is uniform throughout. homogeneous Solid to a gas is sublimation Gas to a solid is deposition Liquid to a solid is freezing Liquid to a gas is vaporization Gas to a liquid is condensation Solid to a liquid is melting What two things make up pure substances? elements and compounds (molecules) How many known elements are there? 118 What are most elements? monatomic What seven elements are diatomic? H2, F2, Cl2, I2, O2, N2, BI2, Which of the following are heterogeneous? Magnesium, concrete, seawater, milkshake. concrete & milkshake __ precipitate less soluble component and separate solid from liquid filtration ___ separate by boiling point