iv998203
iv998203
10-12-2020
Chemistry
contestada
What is the isotopic notation for radon -198
Respuesta :
Аноним
Аноним
10-12-2020
Answer:
All radon isotopes have 86 protons (Z=86).
But radon-222 has 136 neutrons (86 + 136 = 222).
Whereas radon- 220 has only 134 neutrons (86 + 134 = 220).
The chemical symbol for radon is Rn, and the mass number is usually placed either after the symbol (Rn-222) or to the left and above it (222Rn).
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