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Chemistry CBSE Live product
Class 9 (2025-26)
Structure of the atom
Annual Revision I - Structure of the atom
5.
Properties of sub-atomic particles
Question:
3
m.
Give the correct answer to the following question:
Select the correct properties of nucleus from the options given below.
Properties of
nucleus
:
i.
Charge
-
Overall negative due to electrons
Neutral
Overall positive due to protons
Alternately positive and negative
ii.
Mass
-
Very small and negligible
Depends only on electrons
Almost equal to total mass of protons and neutrons
Constant for all atoms
iii. Position
-
Between two electrons
Present in the outer shell of the atom
Central part of the atom
Outside the atom
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