Atoms and Atom Model Multiple Choice Questions and Answers 31 PDF Download

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Science multiple choice questions (MCQ): medical instruments can be sterilized using with options boiled water, heat, radiations and energy, uses of radioisotopes quiz for daily quiz questions with online cognitive learning portal for students of class 7. Free science study guide to learn uses of radioisotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 31

MCQ: Medical instruments can be sterilized using

  1. heat
  2. boiled water
  3. radiations
  4. energy

C

MCQ: Sodium and chlorine are attracted to each other because they are

  1. ions
  2. positively charged
  3. negatively charged
  4. oppositely charged

D

MCQ: Nearest shell to a nucleus is called

  1. shell A
  2. shell K
  3. shell S
  4. shell C

C

MCQ: Number of elements are approximately

  1. fifty
  2. eighty
  3. hundred
  4. two hundred

C

MCQ: Atoms are linked together by chemical bonds. two common chemical bonds are

  1. ionic and dative bonds
  2. ionic and covalent bonds
  3. dative and covalent bonds
  4. ionic and metallic bonds

B