Rb has lower electronegativity (0.8) where as Na is 0.9
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Rb
Sodium is Na, potassium is K, rubidium is Rb.
F, fluorine.
Alkaline metals: Li, Na, K, Cs, Rb, Fr.
N
A+ Na
Rb
Rb has the least
iodine has lower electronegativity than chlorine
Rb is the largest, Li the smallest in the row above. Group 1 of the periodic table: Fr > Cs > Rb > K > Na > Li > H
chlorine
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Lithium.
The electronegativity of sodium is 0,93.The electronegativity of uranium is 1,38.A lower electronegativity is the meaning of more chemical reactivity.
Li+ , Na+ , K+ , Rb+ , Cs+ , Fr+
Sodium chloride is neutral; only elements have an electronegativity.