The unchanged particles in an atom is called -----:

A ) Positron ✅

B ) Neutron

C ) Electron

D ) Proton

Related Questions
  1. The forth state of matter is ----:
  2. The atomic number of hydrogen is :
  3. Which part of atom is negative charge?
  4. An atom is made up of particles ----:
  5. Proton was discovered by ----:
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