Arrange `F,Cl,O,N` in the decreasing order of electronegativy

Arrange F, Cl, Br and I in the decreasing order of their negative electron gain enthalpy.

Arrange the following elements in the decreasing order of their electronegativity : Si, N, F, Cl .

Arrange the following elements in the decreasing order of their electro-negativity Si, N, F, Cl.

Arrange C, N, O and F in the decreasing order of their second ionisation enthalpy.

Arrange the following F, B, N, O [In the increasing order of electron affinity]

Arrange the following halogens in decreasing order of negative electron gain enthalpy -F,Cl,Br,I

Arrange the following in the decreasing order of their ionic radius: N^(3-),Mg^(2+) ,Na^(+) ,O^(2-)

Arrange the following in the decreasing order of their thermal stability of Cl_(2), F_(2), I_(2), Br_(2) .

Arrange the following in the decreasing order of their thermal stability of Cl_(2), F_(2), I_(2), Br_(2) .