Class 7 Science MCQs - Chapter 2
Atoms and Atom Model Trivia Questions and Answers PDF - 16
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Free Atoms and atom model Trivia Questions and Answers, atoms and atom model Quiz Answers PDF Download, Book Test 2-16 to learn class 7 science online courses. Solve Chemical Formulas MCQ PDF, atoms and atom model quiz questions and answers to learn e-learning courses. The Atoms and Atom Model Trivia App Download: Free certification app for chemical formulas, atoms and elements, electrons and shells, mass number and isotopes, uses of radioisotopes test prep for distance learning.
The Trivia Quiz: Iron is represented by; "Atoms and Atom Model" App APK Download (Free) with answers fe, c, i and ir to learn e-learning courses. Practice chemical formulas quiz questions, download Kindle eBook (Free Sample) for online teaching certification programs.
Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 16
MCQ 76: Iron is represented by
- C
- Fe
- I
- Ir
MCQ 77: The number of protons and electrons in an atom of uranium is
- 90
- 91
- 92
- 94
MCQ 78: Electrons are mainly
- solids
- bundle of light
- bundle of energy
- gases
MCQ 79: Isotopes behave in different way in
- chemical reactions
- bonding
- electrical conductivity
- all of above
MCQ 80: In radioactive decay, some isotopes release a small amount of energy which can be used to
- fire up wood
- generate electric current
- light up a bulb
- light up a whole town
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