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IGCSE O Level Chemistry MCQs – Practice Test 9 (Chapter 14)

Structure of Atom MCQs with Answers PDF Download – Test 9

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Learn Structure of Atom Multiple Choice Questions (MCQs) with Answers PDF to strengthen chemistry confidence. Download the Structure of Atom MCQs PDF e-Book, Ch. 14-9 to study IGCSE O Level Chemistry Course. Practice Proton and Nucleon Number MCQs, Structure of Atom quiz questions and answers PDF for chemistry online educational continuity. Free Structure of Atom MCQs App: Download the IGCSE O Level Chemistry Study App to study protons, neutrons and electrons career test for chemistry practical skills.

Study Structure of Atom MCQs App Download with MCQ: "If n=1, the maximum number of electrons in a shell can be recalled through the formulae"; with answers: 2n2, 2n, 2n3, and 2n4. Solve Acidity or Alkalinity Quiz Questions, download Google e-Book (Free Chapter) to strengthen chemistry confidence.

Structure of Atom MCQs with Answers PDF Download: MCQ Quiz 9

MCQ 41: If n=1, the maximum number of electrons in a shell can be recalled through the formulae:

  1. 2n
  2. 2n2
  3. 2n3
  4. 2n4

MCQ 42: If nucleon and neutron numbers are 27 and 14 respectively, the number of electrons will be:

  1. 12
  2. 18
  3. 13
  4. 15

MCQ 43: If nucleon number of fluorine is 19, proton number will be:

  1. 7
  2. 15
  3. 18
  4. 19

MCQ 44: If nucleon and proton number of argon is 40 and 18 respectively, the respective number of electrons and neutrons will be:

  1. 22 and 40
  2. 18 and 22
  3. 18 and 40
  4. 22 and 28

MCQ 45: Nucleon number of an element is equal to the:

  1. mass number of an element
  2. number of protons
  3. atomic number
  4. number of electrons

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