Ap chemistry Study guides, Class notes & Summaries

atomic number - Answer The same as the number of protons in the nucleus of an element; it is also the same as the number of electrons surrounding the nucleus of an element when it is neutrally charged. mass number - Answer The sum of an atom's neutrons and protons isotopes - Answer Atoms of an element with different numbers of neutrons Avogadro's number - Answer 6.022×10²³ particles per one mole Moles - Answer grams/molar mass Standard Temperature and Pressure (STP)...

AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide.AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide.AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide.AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide.AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide.AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide.AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide.AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide.AP Chemistry Unit 3 Progress Check MCQ AP Scoring Gu...

What is a solution? CORRECT ANSWER A homogeneous mixture made up of two or more substances that do not chemically combine; instead, the substances mix uniformly in the solution. What is a solvent? CORRECT ANSWER The substance present in the largest quantity by volume, usually water. What is a solute? CORRECT ANSWER The substance that is dissolved in the solvent. How do you find the empirical formula of a compound? CORRECT ANSWER First, determine mol by dividing the percent comp or mass ...

AP Chemistry Practice Questions and answers latest update

Accuracy - Answer the agreement of a particular value with a true value Acid - Answer a substance that produces hydrogen ions in solution; a proton donor Acid-base indicator - Answer a substance that marks the end point of an acid-base titration by changing color Acid rain - Answer a result of air pollution by sulfur dioxide Acidic oxide - Answer a covalent oxide that dissolves in water to give an acidic solution Actinide series - Answer a group of 14 elements followin...

AP Chemistry Net Ionic-Redox Exam 2024...

AP Chemistry Thermodynamics Test (2023) || Questions & Answers (100% Correct) AP Chemistry Thermodynamics Test (2023) || Questions & Answers (100% Correct) a. negative, endothermic b. positive, endothermic c. positive, endothermic d. zero, exothermic - ANSWER - c 4Al (s) + 3O2 (g) --> 2Al2O3(s) deltaH = -3351 kJ a. endothermic, released b. endothermic, absorbed c. exothermic, released d. exothermic, absorbed - ANSWER - c which one of the following is an exothermic process...

AP Chemistry Unit 1 Progress Check: MCQ Exam Questions and Answers Updated (2024/2025) (Verified Answers)

AP Chemistry Exam Review Questions and answers latest update