Atoms and Atom Model Multiple Choice Questions 20 PDF Download

Learn atoms and atom model MCQs, grade 7 science test 20 for online learning courses and test prep, mass number and isotopes multiple choice questions and answers. Mass number and isotopes revision test includes science worksheets to learn for seventh grade science help.

Science multiple choice questions (MCQ): scientists name isotopes by putting with options mass number after the element name, atomic number after the element name, atomic number before the element name and mass number before the element name, mass number and isotopes quiz for online e-learning with elementary, secondary and high school education with online student portal. Free science study guide to learn mass number and isotopes quiz to attempt multiple choice questions based test.

MCQs on Atoms and Atom Model Quiz PDF Download Worksheets 20

MCQ: Scientists name isotopes by putting

  1. atomic number after the element name
  2. mass number after the element name
  3. atomic number before the element name
  4. mass number before the element name

B

MCQ: Nucleus' is surrounded by

  1. electrons
  2. protons
  3. neutrons
  4. electrons and protons

A

MCQ: Orbits on which electrons revolve around nucleus are called

  1. layers
  2. shells
  3. subshells
  4. atom

B

MCQ: Ion with positive charge is known as

  1. cation
  2. anion
  3. positron
  4. negatron

A

MCQ: Positive electrical charges of protons are balanced by

  1. photons
  2. neutrons
  3. electrons
  4. positrons

C