Class 7 Science MCQs - Chapter 2

Atoms and Atom Model MCQ (Multiple Choice Questions) PDF - 6

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Free Atoms and atom model Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Atoms and Atom Model MCQ PDF Book), test 6 to learn online class 7 science certificate courses. Study Science and Radioisotopes Multiple Choice Questions and Answers (MCQs) PDF, atoms and atom model quiz questions and answers for online certificate programs. Free educational App: Atoms and Atom Model MCQ App Download & e-Book for science and radioisotopes, mass number and isotopes, atoms and discovery, electrons and shells, valencies and valency table test prep for free online classes.

The MCQs: Isotope of uranium (Uranium-238) contains; "Atoms and Atom Model" App Download Android & iOS (Free) with answers 142 neutrons, 141 neutrons, 146 neutrons and 149 neutrons for online certificate programs. Practice science and radioisotopes quiz questions, download Apple Book (Free Sample) for distance education.

Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 6

MCQ 26: The isotope of uranium (Uranium-238) contains

A) 141 neutrons

B) 142 neutrons

C) 146 neutrons

D) 149 neutrons

MCQ 27: As neutrons have electrical charge, they do not effect

A) bonding properties

B) physical properties

C) chemical properties

D) thermal properties

MCQ 28: The theory about atom was first put forward by a Greek philosopher

A) Williams

B) Democritus

C) Isaac Newton

D) Galileo

MCQ 29: Electrons revolve around the nucleus as fast as

A) sound in air

B) sound in liquid

C) sound in solid

D) sound in light

MCQ 30: If hydrogen forms only one bond, then the valency of hydrogen is

A) 1

B) -1

C) 7

D) 2

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Atoms and Atom Model MCQ (Multiple Choice Questions) PDF - 6

Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 6

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