Question

The first ionisation enthalpy of na, mg, al and si are in the order of

Answer 1

The increasing order of the first ionisation enthalpies of the elements B, P, S and F. In general as we move from left to right in a period, the ionisation enthalpy increases with increasing atomic number. The ionisation enthalpy decreases as we move down a group.

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Answer 2

hey ur answer is...

Na<Al<Mg<Si

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