CH-159
Isotopes
Chemistry · Secondary 3 · Easy · Isotopes
An isotope of element Y is written as
y⁴⁰₂₀.
How many neutrons are present in one atom of this isotope?
y⁴⁰₂₀.
How many neutrons are present in one atom of this isotope?
- 10
- 20
- 40
- 60
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