你即將離開本站

並前往https://www.bbc.co.uk/bitesize/guides/zw64y4j/revision/2

Structure of the atom - OCR 21st Century - BBC Bitesize - BBC

The relative mass of a proton is 1, and a particle with a relative mass smaller than 1 has less mass. The mass of electrons is very small compared to protons ...

確定！ 回上一頁

查詢 「Proton mass」的人也找了：

  1. Proton mass
    2.
  2. Neutron mass
    3.
  3. Electron mass
    4.
  4. Proton H
    5.
  5. Proton charge
    6.
  6. Atomic number
    7.
  7. Proton electron
    8.
  8. Protron
    9.