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Grade 7 Science MCQs

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Atoms and Atom Model MCQ with Answers PDF p. 6

Learn Atoms and atom model MCQ with answers, atoms and atom model quiz questions with answers PDF to solve grade 7 science worksheet 6 for online classes. Practice Science and Radioisotopes Multiple Choice Questions and Answers (MCQs), atoms and atom model quiz questions and answers for online learning. Atoms and Atom Model MCQs PDF: science and radioisotopes, mass number and isotopes, atoms and discovery, electrons and shells, valencies and valency table test prep for distance learning.

"The isotope of uranium (Uranium-238) contains" Multiple Choice Questions (MCQ) on atoms and atom model with choices 142 neutrons, 141 neutrons, 146 neutrons, and 149 neutrons for online learning. Solve science and radioisotopes quiz questions for school certificate programs for online study.

MCQs on Atoms and Atom Model

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

141 neutrons
142 neutrons
146 neutrons
149 neutrons

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

bonding properties
physical properties
chemical properties
thermal properties

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

Williams
Democritus
Isaac Newton
Galileo

MCQ: Electrons revolve around the nucleus as fast as

sound in air
sound in liquid
sound in solid
sound in light

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

1
-1
7
2