O Level Chemistry Practice Test 139

Proton and Nucleon Number Quiz Answers PDF - 139

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Chemistry: Proton & Nucleon Number MCQs Quiz PDF Download

MCQ: If nucleon and neutron numbers are 27 and 14 respectively, the number of electrons will be

A) 12

B) 18

C) 13

D) 15

MCQ: Hydrogen Sulfate (H₂SO₄) has

A) positive charge

B) negative charge

C) double negative charge

D) double positive charge

MCQ: What is correct about lighter gases?

A) they may be collected through downward delivery

B) they may be collected by upward displacement of air

C) they are dried through conc. H₂SO₄

D) they are dried through dilute H₂SO₄

MCQ: If nucleon number of fluorine is 19, proton number will be

A) 7

B) 15

C) 18

D) 19

MCQ: Ions are held together through

A) physical attraction among electrons

B) high kinetic energies of electrons

C) electro-static attraction between ions

D) static attraction between ions

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