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Class 7 Science MCQ Questions

Class 7 Science MCQs - Chapter 2

Atoms and Atom Model MCQ with Answers PDF Download - 32

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Class 7 Science: Atoms and Atom Model MCQ Questions PDF Download

MCQ: The number and arrangement of electrons in an atom are important because it controls

A) the physical properties of atom
B) the chemical properties of atom
C) the size of atom
D) all of above

MCQ: The particles which have equal mass are

A) protons and electrons
B) protons and neutrons
C) neutrons and electrons
D) photons and protons

MCQ: The rays that can penetrate into metal are

A) x-rays
B) ultra violet rays
C) gamma rays
D) radio waves

MCQ: The symbol of 'neon gas' is

A) Ne
B) Na
C) N
D) Mg

MCQ: At room temperature, ionic bonds are

A) gas
B) solids
C) liquids
D) semi solids

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