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Class 9 chemistry Practice Tests


Class 9 Chemistry Tests

Atomic and Mass Number MCQ Quiz PDF Download

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Class 9 Chemistry: Atomic and Mass Number MCQs PDF Download

MCQ: The mass number of an atom is

A) number of protons only
B) number of neutrons only
C) number of electrons
D) number of protons and neutrons

MCQ: The number of protons in the nucleus constitute it's

A) atomic mass
B) atomic number
C) nucleon number
D) number of neutrons

MCQ: The number of protons and neutrons in the nucleus if the atomic number of an element is 17 and the mass number is 35, is

A) 17 and 18
B) 17 and 19
C) 17 and 20
D) 17 and 21

Practice Tests: Class 9 Chemistry Exam Prep

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