Stroncium is the element that is smaller than rubidium but larger than yttrium in the periodic table.
Stroncium is the element that is smaller in radius than rubidium but larger than yttrium in the periodic table. It’s ionization energy is also greater than barium but less than calcium whereas it’s electronegativity is greater than rubidium and barium.
So we can conclude that Stroncium is the element that is smaller than rubidium but larger than yttrium in the periodic table.
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