O Level Courses

Chapter 14: IGCSE O Level Chemistry Exam Tests

IGCSE O Level Chemistry MCQs - Chapter 14

Structure of Atom MCQ (Multiple Choice Questions) PDF - 6

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The MCQ: Extra stability is gained in the third shell if the number of electrons is; "Structure of Atom" App Download Android & iOS (Free) with answers 2, 18, 8 and 10 to study online IGCSE GCSE courses. Practice proton and nucleon number quiz questions, download Apple Book (Free Sample) for ACT prep classes.

Structure of Atom Questions & Answers PDF Download: MCQ Quiz 6

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

A) 18
B) 2
C) 8
D) 10

MCQ 27: Isotopes of the same element have

A) different number of neutrons only
B) different masses only
C) same number of neutrons
D) different number of neutrons and masses

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

A) Group Number
B) Shell Number
C) Period Number
D) Proton Number

MCQ 29: What is correct about electrons?

A) they have negligible mass
B) they have relative charge of -1
C) their charge is opposite and equal to a proton
D) all of above

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

A) 2
B) 1
C) 0
D) depends upon the type of bond it enters

Structure of Atom Learning App & Free Study Apps

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Structure of Atom App (Android & iOS)

Structure of Atom App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)