Atoms and Atom Model Multiple Choice Questions 25 PDF Download

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Science multiple choice questions (MCQ) on number of elements discovered yet, is with options 107, 100, 110 and 117, atoms and elements quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn atoms and elements quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 25

MCQ. Number of elements discovered yet, is

  1. 100
  2. 107
  3. 110
  4. 117

D

MCQ. Symbol of "Beryllium" is

  1. Na
  2. Li
  3. Ba
  4. Be

D

MCQ. Radioisotopes can also be traced

  1. inside human body
  2. 10,000 kilometers underground
  3. in feces of animals
  4. in plants

A

MCQ. Valency of inert of rare gases is

  1. 8
  2. 10
  3. 0
  4. 5

C

MCQ. If we remove electron from outer shell, atom turns

  1. negative
  2. positive
  3. neutral
  4. anti negative

B