60 seconds in chemistry by CRI$TIAN MAURA$ https://padlet.com/cristian_maura1/bknlenwp888y ionic and covalent en-us 2018-11-14 05:07:40 UTC 2024-05-23 01:14:18 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Manbag.png 60 seconds in chemistry-Cristian Mauras cristian_maura1 https://padlet.com/cristian_maura1/bknlenwp888y/wish/304132888 2018-11-14 05:07:40 UTC https://padlet.com/cristian_maura1/bknlenwp888y/wish/304132888