讨论:Seven elements

              

    :   「Trump bot」                  ,     2024 12 13 15   (          )         :      「  」《        》    「Indian」  「Chinese」,    10   「300 thousand」 (         ) ,                ｡        ,       ｡    !       @荆哲   2024 12 13  ( ) 17:16,   ~~~~  

           ｡       @荆哲   2024 12 13  ( ) 17:18,   ~~~~  

He should learn from the person who "grayed his user page". (sorry I use google translate) Translated ORK (  ) 2024 12 16  ( ) 11:46 (CST)

Symmetry

The number of axes of symmetry in each element symbol is 1, 2, 3, 4, 5, 6 and infinite respectively. ColorfulGalaxy (  ) 2024 12 20  ( ) 00:00 (CST)