Grade 7 English MCQs

Atoms and Atom Model Multiple Choice Questions Test 25 Tests pdf Download

Practice science test 25 on atoms and atom model MCQs, grade 7 atoms and elements multiple choice questions and answers. Atoms and elements revision test has science worksheets, answer key with choices as 107, 100, 110 and 117 of multiple choice questions (MCQ) with atoms and elements quiz as the number of elements discovered yet is for competitive exam prep. Free science study guide to learn atoms and elements quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model: Worksheets 25 Quiz pdf 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 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