Atoms and Atom Model Multiple Choice Questions and Answers 25 PDF Book Download

Atoms and atom model multiple choice questions (MCQs), atoms and atom model quiz answers, test prep 25 to learn grade 7 science for online certificate programs. 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 elementary school science MCQs: atoms and elements, electron levels, uses of radioisotopes, valencies and valency table, ions and bonding, with choices li, na, ba, and be for school certificate. Free science study guide for online learning common ions quiz questions to attempt multiple choice test for online school courses.

MCQs on Atoms and Atom Model Worksheets 25 PDF Book Download

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