SELECT * FROM question_mgmt as q WHERE id=4010 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=183 and ex_no='8' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Structure of the Atom compare the properties of electrons protons and n

Question:

Compare the properties of electrons, protons and neutrons.

Answer:

Electron:
(I) Electron are available external the core of an atom.
(ii) Electron are contrarily charged.
(iii) The mass of an electron is considered to immaterial.
Proton:
(I) Proton are available in the core of a molecule.
(ii) Proton are emphatically charged.
(iii) The mass of a proton is roughly multiple times as the mass of an electron.
Neutron:
(I) Neutron are available in the core of an atom.
(ii) Neutron are unbiased.
(iii) The mass of neutron is almost equivalent to the mass of a proton.


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