Atoms and Atom Model Multiple Choice Quiz Questions 25 pdf Download

Practice science quiz 25 on atoms and atom model MCQs, grade 7 atoms and elements multiple choice questions. Free atoms and elements guide has science worksheet with answering options 107, 100, 110 and 117 of multiple choice questions (MCQ) with atoms and elements quiz as number of elements discovered yet is for exam prep. Study to learn atoms and elements quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model - Quiz 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 feaces 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