Class 7 Science MCQs - Chapter 2

Atoms and Atom Model Trivia Questions and Answers PDF - 20

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Free Atoms and atom model Trivia Questions and Answers, atoms and atom model Quiz Answers PDF Download, Book Ch. 2-20 to learn class 7 science online courses. Solve Mass Number and Isotopes MCQ PDF, atoms and atom model quiz questions and answers to study online courses. The Atoms and Atom Model Trivia App Download: Free certification app for mass number and isotopes, atom structure, electrons and shells, ions and bonding test prep for online teaching certification programs.

The Trivia Quiz: Scientists name isotopes by putting; "Atoms and Atom Model" App APK Download (Free) with answers 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 to study online courses. Practice mass number and isotopes quiz questions, download Kindle eBook (Free Sample) for distance learning classes.

Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 20

MCQ 96: Scientists name isotopes by putting

atomic number after the element name
mass number after the element name
atomic number before the element name
mass number before the element name

MCQ 97: 'Nucleus' is surrounded by

electrons
protons
neutrons
electrons and protons

MCQ 98: The orbits on which electrons revolve around the nucleus are called

layers
shells
subshells
atom

MCQ 99: Ion with positive charge is known as

cation
anion
positron
negatron

MCQ 100: The positive electrical charges of protons are balanced by

photons
neutrons
electrons
positrons

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