Class 7 Science MCQs - Chapter 1
Atoms and Atom Model Multiple Choice Questions (MCQ) PDF Download - 10
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The Atoms and atom model Multiple Choice Questions (MCQ Quiz) with Answers PDF (Atoms and Atom Model MCQ PDF e-Book) download Ch. 1-10 to learn Grade 7 Science Course. Study Electron Levels Multiple Choice Questions and Answers (MCQs) PDF, Atoms and Atom Model Quiz Questions and Answers for homeschool certification courses. The Atoms and Atom Model MCQ App Download: Free educational app for electron levels, covalent bonds, mass number and isotopes, common ions, uses of radioisotopes test prep for online education.
The MCQs: The atomic number of sodium is 11 and its atomic mass is 23 and the number of protons and neutrons in an atom of sodium is; "Atoms and Atom Model" App (Android, iOS) with answers: 11 and 23; 11 and 11; 23 and 11; 11 and 12; for homeschool certification courses. Practice Electron Levels MCQ Questions, download Apple e-Book (Free Sample) for free online classes.
Atoms and Atom Model MCQs with Answers PDF Download: Quiz 10
The atomic number of sodium is 11 and its atomic mass is 23 and the number of protons and neutrons in an atom of sodium is
- 11 and 11
- 11 and 23
- 23 and 11
- 11 and 12
Most of the covalent compounds are found in
- solid state
- gaseous state
- liquid state
- both in liquid and gaseous state
The radioactive isotope of carbon is
- carbon-12
- carbon-13
- carbon-14
- carbon-6
The ionic chemical formula of potassium is
- K-
- K+
- K-
- K+
Nuclear batteries are
- small in size
- very heavy
- harmful
- enlarge in size
Class 7 Science Mock Tests
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