yttrium-and-niobium-have-only-1-stable-isotope-each-however-elements-adjacent-to

Question

Yttrium and Niobium have only 1 stable isotope each. However, elements adjacent to them in the same row such as zirconium and molybdenum have multiple stable isotopes. Identify the statement that explain this phenomenon.

Accepted Answer

Having odd number of protons lower the nuclear binding energy, making odd nuclei generally less stable

Answer

Having even number of neutrons lower the nuclear binding energy, making odd nuclei generally less stable

Answer

Heavier elements generally have lower number of stable isotopes.

Answer

Lighter elements generally have lower number of stable isotopes.

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Yttrium and Niobium have only 1 stable isotope each. However, elements adjacent to them in the same row such as zirconium and molybdenum have multiple stable isotopes. Identify the statement that explain this phenomenon.