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The ionization potential of Astatine is…….. kj/mol.
a) 1681                                                 

b) 1251
c) 1140                                                 

d) 890±40

d

The electron affinity of Astatine is…..kj/mol.
a) -328                                                  

b) -349
c) -324.6                                               

d) -270.1

d

The electronegativity of Astatine is ………
a) 4.0 

b) 3.0                     

c) 2.8 

d) 2.2

d

Chemical Reactivity of Halogens:


Halogens exist in…….state.
a) monoatomic                   

b) diatomic
c) triatomic                                          

d) all of these

b

Halogens form……covalent bond b/w their atoms.
a) single                                               

b) double
c) triple                                  

d) all of these

a