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Atoms and Molecules Mass MCQ with Answers PDF Download

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Chapter 19 MCQs: Atoms and Molecules Mass Quiz

MCQ: The atoms which have the same number of protons but different number of neutrons are called

A) isotopes
B) isomers
C) spectators
D) allotropes

MCQ: To determine the mass of another compound by comparing it with the mass of carbon-12 atoms is

A) relative molecular mass
B) relative atomic mass
C) relative molecular radius
D) relative atomic radius

MCQ: Mr is symbol given for relative

A) molecular mass only
B) formula mass only
C) atomic radius
D) molecular and formula mass

MCQ: A method which is used to find the amount of particular substance in a solution is called

A) Fragmentation
B) titration
C) electrolysis
D) stoichiometry

MCQ: The sum of protons (p+) and neutrons (n0) in an atom is called its

A) atomic number
B) nucleon number
C) Avogadro's number
D) protonic identity

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