CBSE Class 9 Answered
Subatomic particle is also called elementary particle.
Subatomic particles are various self-contained units of matter or energy that are the fundamental constituents of all matter.
Subatomic particles include,
1. The negatively charged electrons which are almost massless particles that nevertheless account for most of the size of the atom.
2. The positively charged protons which are heavier building blocks of the small but very dense nucleus of the atom.The electrically neutral neutrons
Sub-atomic Particles - Part 1This video explains sub-atomic particles, i.e. proton, electron and neutron...
Sub-atomic Particles - Part 2This video explains Thomson's theory of an atom.
Structure of Atom - Exam Decoded - 1This video contains practice questions on sub-atomic particles and Thomson'...