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Question
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
Solution
Electron- A sub-atomic particle with a negative charge and negligible mass.
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ANSWER IN DETAIL
Name the three subatomic particles. How are they different from each other ?
Compare an electron and a proton in respect of mass and charge.
Compare a proton and a neutron in respect of mass and charge.
State the location of electrons, protons and neutrons in an atom.
Define the term Mass number.
Define the term Nucleons.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
