Q1 The following table shows the first five ionisation energies of the elements A and Z in kJ mol-¹. Element ΔΗ;1 ΔΗ;2 AH₁3 AH₁4 AHis A N 810 2400 3700 25500 26889 905 1777 15950 20000 21600 (a) In which group of the Periodic Table should element Z be placed? (b) How much energy is needed to convert one mole of gaseous atoms of element A into 1 mole of gaseous dipositive ions? Include units in your answer.

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Q1
The following table shows the first five ionisation energies of the elements A and Z in kJ mol³¹.
Element AH₁1
ΔΗ;2 AH₁3
AH₁4 AH₁5
(a)
(b)
A
Z
810
905
2400 3700 25500 26889
1777 15950 20000 21600
In which group of the Periodic Table should element Z be placed?
How much energy is needed to convert one mole of gaseous atoms of element A into 1 mole
of gaseous dipositive ions? Include units in your answer.
Transcribed Image Text:Q1 The following table shows the first five ionisation energies of the elements A and Z in kJ mol³¹. Element AH₁1 ΔΗ;2 AH₁3 AH₁4 AH₁5 (a) (b) A Z 810 905 2400 3700 25500 26889 1777 15950 20000 21600 In which group of the Periodic Table should element Z be placed? How much energy is needed to convert one mole of gaseous atoms of element A into 1 mole of gaseous dipositive ions? Include units in your answer.
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