Respuesta :
Naturally occurring terbium (65Tb) is composed of 1 stable isotope, 159Tb.
Answer:
The isotope notation for terbium-165 = [tex]_{65}^{165}\textrm{X}[/tex]
Explanation:
The isotopic representation of an atom is: [tex]_Z^A\textrm{X}[/tex]
where,
Z = Atomic number of the atom
A = Mass number of the atom
X = Symbol of the atom
We have, isotope terbium-165
65 = Atomic number of the terbium atom
165 = Mass number of the terbium atom
Tb = Symbol of the terbium atom
The isotope notation for terbium-165 = [tex]_{65}^{165}\textrm{X}[/tex]
