Why is the first Ionisation Enthalpy (IE) of Zn higher than expected, while Cr is lower?.
Zn has a stable filled subshell. Cr has ; removing the 4s electron leaves the stable half-filled intact.
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Start Practicing NowWhy are Zn, Cd, and Hg not considered transition elements?.
In the 3d series, which element has the lowest enthalpy of atomization and why?.
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Why is the second Ionisation Enthalpy of Cu unusually high?.