Pangeya

    Properties of object 
    Groups of object
    View object
    Name national Периодический закон химических элементов
    Name international The periodic law of chemical elements
    Show all avatar photo(1)
    Source of objectCreated by the viewed user
    Object memory
    626 078  byte
    Inheritance   
    000
    Date of creation17 March 2017 Year 19H:15M:41S
    Date of update   19 November 2019 Year 19H:12M:10S


    Properties of object
    Периодический закон химических элементов The periodic law of chemical elements
    Cancel Continue
    Confirm that you are a human
    Send Cancel
    Expand Close
    Cancel
    Up
    Отмена