IGCSE O Level Chemistry MCQs - Chapter 14

Structure of Atom Multiple Choice Questions PDF Download - 5

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The Multiple Choice Question (MCQ Quiz): Valence electrons refer to which of the following; "Structure of Atom" App Download (Free) with answers total number of protons, total number of electrons in an atom, total number of electrons in the outermost shell and total number of neutrons for online certificate programs. Solve arrangement of particles in atom quiz questions, download Google eBook (Free Sample) for colleges offering online degree programs.

Structure of Atom Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: Valence electrons refer to which of the following?

A) total number of electrons in an atom

B) total number of protons

C) total number of electrons in the outermost shell

D) total number of neutrons

MCQ 22: 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 23: Elements and their isotopes have

A) same number of protons

B) same number of electrons

C) different number of neutrons

D) all of above

MCQ 24: The first element in the periodic table to have 8 valence electrons in the third shell is

A) silicon

B) chlorine

C) argon

D) potassium

MCQ 25: The isotopes have similar

A) chemical properties

B) physical properties

C) number of neutrons

D) mass numbers

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