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

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

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