ICSE Class 9 Chemistry Question 4 of 39

Atomic Structure and Chemical Bonding — Question 5

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5
Question

Question 5

Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached.

1p1, 0n1, -1e0

Answer

p = proton

n = neutron

e = electron

ParticleSymbolSuperscript
Charge
(electronic unit)
Subscript
mass
(amu)
Electron-1e0-111840\dfrac{1}{1840} = 0
Proton1p1+11
Neutron0n101