https://padlet.com/Gujahi/periodic_table Chemistry unit diagnostic activity en-us 2017-10-21 18:59:31 UTC 2021-02-16 14:26:27 UTC hello@padlet.com https://qph.fs.quoracdn.net/main-qimg-abc52b55ca4999a1820e1d683d7f5369-c https://padlet.com/Gujahi/periodic_table/wish/748925174 It is organized by atomic number and protons]]> 2020-09-15 17:31:09 UTC https://padlet.com/Gujahi/periodic_table/wish/748925174 https://padlet.com/Gujahi/periodic_table/wish/748927010 There are families such as halogens, alkaline metals, etc. ]]> 2020-09-15 17:31:30 UTC https://padlet.com/Gujahi/periodic_table/wish/748927010 https://padlet.com/Gujahi/periodic_table/wish/748929952 The noble gases have a full valence shell , therefore less reactive]]> 2020-09-15 17:32:02 UTC https://padlet.com/Gujahi/periodic_table/wish/748929952 https://padlet.com/Gujahi/periodic_table/wish/1207080999 Arranges chemical elements according to their atomic number ]]> 2021-02-16 14:26:27 UTC https://padlet.com/Gujahi/periodic_table/wish/1207080999