Atoms and Atom Model Multiple Choice Questions Online 25 PDF eBook Download

Practice atoms and atom model multiple choice questions & answers (MCQs), atoms and atom model quiz answers, test prep 25 to learn grade 7 science for online certificate programs. Learn common ions MCQs, atoms and atom model quiz questions and answers for school certificate. Learn atoms and elements, electron levels, uses of radioisotopes, valencies and valency table, ions and bonding test prep for free online classes.

Learn science MCQs: number of elements discovered yet, is, with choices 107, 100, 110, and 117 for school certificate. Free science study guide for online learning common ions quiz questions for online school courses.

Atoms and Atom Model MCQs Quiz 25 PDF eBook Download

MCQ: Number of elements discovered yet, is

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


MCQ: Symbol of "Beryllium" is

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


MCQ: Radioisotopes can also be traced

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


MCQ: Valency of inert of rare gases is

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


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

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