Honors chemistry - Study guides, Class notes & Summaries

Honors Chemistry Scientists Latest Update Graded A+ Who is known for the discovery of the electron and his work with the cathode ray tube? J.J. Thomson Who developed the periodic table and organized elements by their atomic mass? Dmitri Mendeleev Who is credited with the creation of the first model of the atom with a positively charged nucleus surrounded by electrons? Ernest Rutherford Who proposed the quantum mechanical model of the atom and introduced the concept of orbi...

Honors Chemistry Chapter 2 Questions and Answers 100% Pass What is the term for a well-tested explanation that unifies a broad range of observations? Theory What is the name of the scientific method step where a testable explanation for a phenomenon is proposed? Hypothesis What is the term for a quantity that can be measured and expressed numerically? Measurement What is the name of the unit used to measure the amount of substance in the International System of Units (SI)?...

Honors Chemistry Semester 1 Cumulative Test Latest Update 100% Pass What is mass? A measurement of the amount of material in an object. A measure of the volume an object occupies. A type of energy contained within an object. A measure of the object's weight. A measurement of the amount of material in an object. How is matter defined? Anything that occupies space and has weight. Anything that has a definite shape and volume. Anything that has energy but no mass. 2 Anyth...

Honors Chemistry Chapter 3 with Complete Solutions What is the term for a physical change that involves the change of state from a liquid to a solid? Freezing What is the name of the technique used to separate components of a mixture based on differences in particle size? Filtration What is the term for the physical property that describes how easily a substance can dissolve in another substance? Solubility What is the name of the process where a liquid changes into a ga...

Honors Chemistry Final Questions And Answers With Verified Solutions law of conservation of mass ANS the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes law of definite proportions ANS the law that states a chemical compound always contains the same elements in exactly the same proportions by weight or mass law of multiple proportions ANS the law that states that when two elements combine to form two or more compounds, the mass of one ...

Honors Chemistry Cumulative Exam Questions and Answers

Honors Chemistry Study Guide Questions with Verified Solutions What is the term for a positively charged ion? Cation What is the atomic number of an element determined by? The number of protons in the nucleus What is the law that states that mass is neither created nor destroyed in a chemical reaction? Law of Conservation of Mass What is the name of the substance that speeds up a chemical reaction without being consumed? Catalyst What is the formula for calculating the nu...

Honors Chemistry: Chapter 8 Questions and Answers Graded A+ What is the term for the process by which a solute dissolves in a solvent to form a solution? Dissolution What is the name of the equation that relates the concentration of reactants and products to the equilibrium position of a reaction? Equilibrium Constant Expression What is the term for a reaction that proceeds in both the forward and reverse directions? Reversible Reaction What is the name of the principle tha...

Honors Chemistry Unit 3 Questions and Answers 100% Pass What is the term for the phenomenon where atoms in a molecule adopt specific spatial arrangements to minimize electron repulsion? VSEPR Theory What is the name of the process in which a solid directly transitions to a gas without passing through the liquid phase? Sublimation What is the term for the energy change that occurs when one mole of a compound is formed from its elements in their standard states? Standard Ent...

Honors Chemistry Semester 1 Cumulative Test