1. Compare the properties of electrons, protons and neutrons,
from 9th book page no 54
Answers
Answer:
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Explanation:
Proton
They are positively charged
Neutron
They are neutral
Electron
They are negatively charged
proton
They are present in the nucleus of all atoms
neutron
They are present in the nucleus of all atoms except hydrogen
electron
They are present in the outer shells within an atom and orbit the positively charged nucleus in well-defined orbits
proton
The mass of the proton is taken as one unit and equals the mass of a neutron
neutron
The mass of the neutron is considered as one unit and it equals the mass of a proton
electron
The mass of an electron is about 1/2000 times the mass of a hydrogen atom
proton
A proton is represented as “p”
neutron
A neutron is represented as “n”
electron
An electron is represented as “e”