Chemistry, asked by Muzamilhassan8418, 1 year ago

Why does radium have a higher ionisation energy than barium?

Answers

Answered by mohitgenius123

it is because if lanthanoide contraction ....there is a poor shielding effect in radium so its electons are bound to the nucleus very strongly then in barium and therfor its ionisation energy is higher than barium.....

MARK AS BRAINLIEST.....

Answered by Tulsirani100

Because the atomic radius of radium is smaller than the radius of barium.

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