Class 7 Courses

Class 7 Science Prep Tests

Class 7 Science Tests

Science and Radioisotopes MCQ with Answers PDF Download

The Book Science and radioisotopes Multiple Choice Questions (MCQ Quiz), science and radioisotopes quiz answers PDF to learn online courses, 7th grade science tests. Practice Atoms and Atom Model Multiple Choice Questions and Answers (MCQs), Science and Radioisotopes quiz questions PDF for distance learning. The App Science and Radioisotopes MCQ e-Book PDF Download: inside an atom, uses of radioisotopes, ionic bonds, mass number and isotopes test prep for free online classes.

The MCQ: The isotope of uranium (Uranium-238) contains PDF, "Science and Radioisotopes MCQ" App Download (Free) with 141 neutrons, 142 neutrons, 146 neutrons, and 149 neutrons choices for distance learning. Solve atoms and atom model quiz questions, download Google eBook (Free Sample) for distance education.

Class 7 Science: Science and Radioisotopes MCQs PDF Download

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

A) 141 neutrons
B) 142 neutrons
C) 146 neutrons
D) 149 neutrons

MCQ: Uranium-238 which is an isotope of uranium, is

A) stable
B) radioactive
C) complete
D) decayed

MCQ: The larger the number of subatomic particles, the more the likeliness of being

A) stable
B) radioactive
C) complete
D) decayed

MCQ: Unstable atoms break up into

A) electrons and protons
B) smaller atoms
C) neutrons and protons
D) subatomic particles

MCQ: As the unstable atoms break up into smaller atoms,

A) energy is released
B) radiations are released
C) light is released
D) heat is released

Practice Tests: Class 7 Science Exam Prep

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