IGCSE O Level Chemistry MCQs – Practice Test 6 (Chapter 14)

Structure of Atom MCQ with Answers PDF Download – Test 6

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Structure of Atom MCQ with Answers PDF Download: Quiz 6

MCQ 26: Extra stability is gained in the third shell if the number of electrons is:

MCQ 27: Isotopes of the same element have:

different number of neutrons only
different masses only
same number of neutrons
different number of neutrons and masses

MCQ 28: Valence electrons are used to get a clue of:

Group Number
Shell Number
Period Number
Proton Number

MCQ 29: What is correct about electrons?

they have negligible mass
they have relative charge of -1
their charge is opposite and equal to a proton
all of above

MCQ 30: In Hydrogen (H), the number of neutrons is:

2
1
0
depends upon the type of bond it enters

Structure of Atom MCQ App & e-Book – IGCSE O Level Chemistry Entrance Exam

Methods of purification MCQs

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Particles of Matter MCQs

Chemical Formulae and Equations MCQs

Elements, Compounds and Mixtures MCQs

Salts and Identification of Ions and Gases MCQs

Acids and Bases MCQs

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