How many following statements are correct?  1) The size of H+ ion ranges between 50 to 200 pm .2)  H2 is practically insoluble in H2O .3) H2only available in free state except volcanic gas. 4) H2is the 2nd most abundant element after oxygen in terms of fraction of atoms . 5) Hydrogen resembles more near to Halogens than Alkali metals in terms of Ionization Energy values.