1.

Rhe partical of an atom that has no change is​

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➯In the STANDARD MODEL of physics, electrons are truly elementary particles with no internal STRUCTURE, whereas protons and neutrons are composite particles composed of elementary particles called quarks. There are two types of quarks in ATOMS, each having a fractional electric CHARGE.

  • Components: Electrons and a compact nucleus of protons and neutrons

  • Electric charge: zero (neutral), or ion charge

  • Mass range: 1.67×10−27 to 4.52×10−25 kg



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