Ap chemistry - Study guides, Class notes & Summaries

AP Chemistry | Unit 2 Progress Check: MCQ Exam Questions and Answers Updated (2024/2025) (Verified Answers

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AP CHEMISTRY UNIT 6 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct

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Question 1 refer to the following compounds at 25∞C and 1.0 atm. (A) CO2 (B) PbO2 (C) CaO (D) N2O5 (E) Cu2O 1. Contains an element in a +1 oxidation state Questions 4-7 refer to the following species. (A) H2O (B) NH3 (C) BH3 (D) CH4 (E) SiH4 4. Has two lone pairs of electrons 5. Has a central atom with less than an octet of electrons 6. Is predicted to have the largest bond angle 7. Has a trigonal-pyramidal molecular geometry Questions #2 & 3 did not align with the

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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...

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