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

Learn atoms and atom model MCQs, grade 7 science test 25 for online learning courses and test prep. Atoms and elements multiple choice questions (MCQs), atoms and atom model quiz questions and answers include science worksheets for grade 7 world science tests.

Science multiple choice questions (MCQ): number of elements discovered yet, is with options 107, 100, 110 and 117, atoms and elements quiz to improve study tips by practicing old exams an with interactive trivia questions and answers. 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


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