Ap chem Study guides, Class notes & Summaries

Test Bank For AP Chemistry Zumdahl 9th edition Paperback <.>>Completed all chapters questions and answers.

atomic number CORRECT 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 CORRECT ANSWER The sum of an atom's neutrons and protons isotopes CORRECT ANSWER Atoms of an element with different numbers of neutrons Avogadro's number CORRECT ANSWER 6.022×10²³ particles per one mole Moles CORRECT ANSWER grams/molar mass Standard Temperatur...

AP Chem Thou Shalt Not Forget Questions with complete solution 2023/2024 Compounds can be separated into elements by... - correct answer chemical changes Mixtures can be separated by... - correct answer Physical changes Filtering separate mixtures based on differences in particle size - correct answer The large particles are trapped on the filter paper while the soluble component goes through the filter paper and stays in the "filtrate". Distillation - correct answer Separates mixtur...

Which one of the following statements concerning matter is correct? a) a gas has a fixed volume but not a rigid shape b) a liquid has a fixed volume and a rigid shape c) a liquid takes on both the volume and the shape of its container d) a solid has a fixed volume and a rigid shape e) both b and d are correct CORRECT ANSWER d All of the following statements are true EXCEPT a) of the 113 known elements, 91 occur naturally b) an element cannot be broken down into two or more pure substan...

AP CHEM FINAL EXAM | Complete Updated Answered Solution guide 2023. 6.1 For a classroom demonstration, a chemistry teacher puts samples of two different pure solid powders in a beaker. The teacher places the beaker on a small wooden board with a wet surface, then stirs the contents of the beaker. After a short time the students observe that the bottom of the beaker is frozen to the wood surface. The teacher asks the students to make a claim about the observation and to justify their claims. W...

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What is matter? CORRECT ANSWER Anything that occupies space What is the scientific method? CORRECT ANSWER Observation Ask a question Form a Hypothesis Conduct Experiment Accept/Redo Hypothesis What is a scientific law? CORRECT ANSWER Mathematical description of what will happen What is a scientific theory? CORRECT ANSWER An explanation for a law Qualitative = ? Quantitative = ? Digits of uncertainty? CORRECT ANSWER Descriptive Measured One, in all cases What is the Kinetic...

AP Chemistry Unit 3 Progress Check MCQ AP Scoring Guide

AP Chem Thou Shalt Not Forget