இரு எபயெராட்டும் பண்புத்தொகையில வல்லினம சான்று தருக
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A proton is a subatomic particle, symbol p or p⁺ , with a positive electric charge of +1e elementary charge and a mass slightly less than that of a neutron. Protons and neutrons, each with masses of approximately one atomic mass unit, are jointly referred to as "nucleons".
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தாமரைப்பூ , உழவுத்தொழில்
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