What is avogadros number - Study guides, Class notes & Summaries

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Chemistry 101 Final Exam Ivy Tech 2024/2025 A+ score assured Popular
  • Chemistry 101 Final Exam Ivy Tech 2024/2025 A+ score assured

  • Exam (elaborations) • 11 pages • 2024
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  • Chemistry 101 Final Exam Ivy Tech 2024/2025 A+ score assured
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AS-level AQA Chemistry questions and  answers
  • AS-level AQA Chemistry questions and answers

  • Exam (elaborations) • 16 pages • 2024
  • AS-level AQA Chemistry questions and answers What is the charge of a proton? - ANSWERS +1 What is the charge of a neutron? - ANSWERS 0 What is the charge of an electron? - ANSWERS -1 What is the mass of a proton? - ANSWERS 1 What is the mass of a neutron? - ANSWERS 1 What is the mass of an electron? - ANSWERS 1/1800 What is an isotope? - ANSWERS Isotopes of an element are atoms with the same number of protons but different numbers of neutrons. Why do isotopes of an element all have t...
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AS-level AQA Chemistry questions and  answers
  • AS-level AQA Chemistry questions and answers

  • Exam (elaborations) • 16 pages • 2024
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  • AS-level AQA Chemistry questions and answers What is the charge of a proton? - ANSWERS +1 What is the charge of a neutron? - ANSWERS 0 What is the charge of an electron? - ANSWERS -1 What is the mass of a proton? - ANSWERS 1 What is the mass of a neutron? - ANSWERS 1 What is the mass of an electron? - ANSWERS 1/1800 What is an isotope? - ANSWERS Isotopes of an element are atoms with the same number of protons but different numbers of neutrons. Why do isotopes of an element all have t...
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AS-level AQA Chemistry questions and  answers
  • AS-level AQA Chemistry questions and answers

  • Exam (elaborations) • 16 pages • 2024
  • AS-level AQA Chemistry questions and answers What is the charge of a proton? - ANSWERS +1 What is the charge of a neutron? - ANSWERS 0 What is the charge of an electron? - ANSWERS -1 What is the mass of a proton? - ANSWERS 1 What is the mass of a neutron? - ANSWERS 1 What is the mass of an electron? - ANSWERS 1/1800 What is an isotope? - ANSWERS Isotopes of an element are atoms with the same number of protons but different numbers of neutrons. Why do isotopes of an element all have t...
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Chemistry AQA AS EXAM 2024 QUESTIONS  WITH 100% CORRECT ANSWERS
  • Chemistry AQA AS EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS

  • Exam (elaborations) • 10 pages • 2024
  • Chemistry AQA AS EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS Mass number - ANSWERS Total number of protons and neutrons. Atomic number - ANSWERS Numbers of protons in the nucleus and number of electrons in shells. Negative Ions - ANSWERS More electrons than protons. Positive ions - ANSWERS More protons than electrons. Relative isotopic mass - ANSWERS mass of an atom of an isotope of an element on a scale where an atom of carbon12 is 12. Relative atomic mass - ANSWERS average mass o...
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Chemistry AQA AS EXAM 2024 QUESTIONS  WITH 100% CORRECT ANSWERS
  • Chemistry AQA AS EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS

  • Exam (elaborations) • 10 pages • 2024
  • Chemistry AQA AS EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS Mass number - ANSWERS Total number of protons and neutrons. Atomic number - ANSWERS Numbers of protons in the nucleus and number of electrons in shells. Negative Ions - ANSWERS More electrons than protons. Positive ions - ANSWERS More protons than electrons. Relative isotopic mass - ANSWERS mass of an atom of an isotope of an element on a scale where an atom of carbon12 is 12. Relative atomic mass - ANSWERS average mass o...
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Chemistry AQA AS EXAM 2024 QUESTIONS  WITH 100% CORRECT ANSWERS
  • Chemistry AQA AS EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS

  • Exam (elaborations) • 10 pages • 2024
  • Chemistry AQA AS EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS Mass number - ANSWERS Total number of protons and neutrons. Atomic number - ANSWERS Numbers of protons in the nucleus and number of electrons in shells. Negative Ions - ANSWERS More electrons than protons. Positive ions - ANSWERS More protons than electrons. Relative isotopic mass - ANSWERS mass of an atom of an isotope of an element on a scale where an atom of carbon12 is 12. Relative atomic mass - ANSWERS average mass o...
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Fundamentals of Respiratory Care Exam questions and answers
  • Fundamentals of Respiratory Care Exam questions and answers

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  • Respiratory care The diagnostic evaluation, and treatment, of patients with cardiopulmonary disorders. History of respiratory therapy Joseph Priestley - discovered oxygen Joseph Black - discovered carbon dioxide Thomas Beddoes - was the Father of Inhalation Therapy CRT (Certified Respiratory Therapist) -AS program -Pass NBRC Exam (score determines a CRT) RRT (registered respiratory therapist) -AS, BS or MS program -Pass NBRC Exams -Specialty Credentials Ameri...
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 General Chemistry ACS Final Exam 89 Questions with Verified Answers,100% CORRECT
  • General Chemistry ACS Final Exam 89 Questions with Verified Answers,100% CORRECT

  • Exam (elaborations) • 6 pages • 2024
  • General Chemistry ACS Final Exam 89 Questions with Verified Answers Protons - CORRECT ANSWER defines the element; positive charge; equal to the atomic number Neutrons - CORRECT ANSWER equal to mass number-number of protons; neutral charge Electrons - CORRECT ANSWER negative charge; dependent on the charge of the atom Cations - CORRECT ANSWER Positively charged ions Anions - CORRECT ANSWER Negatively charged ions Isotopes - CORRECT ANSWER when the number of neutrons varies but i...
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General Chemistry ACS Study Guide 69 Questions with Verified Answers,100% CORRECT
  • General Chemistry ACS Study Guide 69 Questions with Verified Answers,100% CORRECT

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  • General Chemistry ACS Study Guide 69 Questions with Verified Answers Isotopes - CORRECT ANSWER when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed until the beginning of the 20th century? - CORRECT ANSWER That all physical phenomena were deterministic Light - CORRECT ANSWER Form of electromagnetic radiation What is electromagnetic radiation composed of? - CORRECT ANSWER perpendicular oscillating waves, one for the magnetic f...
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