Thank you for your help :) PartA Can you use data in the following table to prov

Question

Thank you for your help :)
PartA Can you use data in the following table to provide estimates for the atomic radius and first ionization energy of an astatine atom? Table Some Properties of the Halogens Element! Electron Configuration Melting Point (") Density Fluorine He]222p Chlorine Ne]3823p Bromine [Ar 3104s24p 73 lodine Kr 4d05s25p 114 Atomic Radius () (kJ/mol) 1.69 g/L 0.57 3.12 g/L 1.02 3.12 g/cm3 1.20 4.94 g/cm 1.39 1681 1251 1140 1008 220 -102 8.3A,-1700 kJ/mol 2.15A. 200 kJ/mol O 1.5 A. 900 kJ/mol -68. 300 kJ/mol

Explanation / Answer

Ans :- 1.5 angstrom and 900 KJ/ mol ( for Astatine)

Explanation :-

because, down the group of the periodic table atomic radius increases and ionisation energy decreases.

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