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Protons, Neutrons and Electrons Multiple Choice Questions (MCQ) PDF Download

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Protons, Neutrons and Electrons MCQs: Questions and Answers PDF Download

MCQ 1: In the periodic table, the period number indicates the number of

A) neutrons

B) protons

C) electrons

D) photons

MCQ 2: Chemical properties of an element are largely derived through the

A) position in the periodic table

B) proton number of an element

C) nucleon number of element

D) number of valence electrons

MCQ 3: What is correct about electrons?

A) they have negligible mass

B) they have relative charge of -1

C) their charge is opposite and equal to a proton

D) all of above

MCQ 4: Mass of an electron is

A) ¹⁄₁₈₄₀ of a proton only

B) ¹⁄₁₈₄₀ of a neutron only

C) 1860 times of a proton

D) ¹⁄₁₈₄₀ of a proton and neutron

MCQ 5: Helium (He) is not an inert gas because it has

A) higher chemical reactivity only

B) half shell of valence electrons only

C) no electrons

D) higher chemical reactivity and half shell of valence electrons

IGCSE O Level Chemistry Practice Tests

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Protons, Neutrons and Electrons Multiple Choice Questions (MCQ) PDF Download

Protons, Neutrons and Electrons MCQs: Questions and Answers PDF Download

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