groupe 1
https://www.chemguide.co.uk/inorganic/group1/properties.html#top
https://www.chemguide.co.uk/inorganic/group1/reacth2o.html#top


groupe 2
https://www.chemguide.co.uk/inorganic/group2menu.html#top




Groupe 7

halogénoalcanes Chaquin chimie organique p67 à 77

pKa
https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Modules_and_Websites_(Inorganic_Chemistry)/Descriptive_Chemistry/Elements_Organized_by_Block/2_p-Block_Elements/Group_17%3A_The_Halogens/1Group_17%3A_General_Reactions/The_Acidity_of_the_Hydrogen_Halides

pKa similaire:
https://www.chemguide.co.uk/inorganic/group7/halideions.html#top


https://www.chemguide.co.uk/inorganic/group7menu.html#top


trends 
https://www.chemguide.co.uk/inorganic/group7/properties.html#top