IGCSE O Level Chemistry MCQs - Chapter 14

Structure of Atom Multiple Choice Questions (MCQs) PDF Download - 1

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The Multiple Choice Question (MCQ Quiz): If the proton (p⁺) number of an element changes, it will become a/an; "Structure of Atom" App Download (Free) with answers another element, isotope, electrolyte for online certificate programs. Solve periodic table: o level chemistry quiz questions, download Google eBook (Free Sample) for online colleges that offer certificate programs.

Structure of Atom Questions & Answers PDF Download: MCQ Quiz 1

MCQ 1: If the proton (p⁺) number of an element changes, it will become a/an

isotope
another element
electrolyte
none of above

MCQ 2: In the periodic table, the period number indicates the number of

neutrons
protons
electrons
photons

MCQ 3: Chlorine's (Cl) relative atomic mass is 35.5. this half number is due to

isotopes
a half proton
a half neutron
a half electron

MCQ 4: Purpose of a mass spectrometer is to determine the

charge of a particle
particles
mass of an atom
data for data loggers

MCQ 5: Number of electrons (e^-) in phosphorus (P) is 15, valence electrons shall be

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