Transition Metals - Inner Transition Metals
4:01
Added: 1 year ago
From: brightstorm2
Views: 2,257
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  • thanks, this is good!

    david78937 1 month ago

  • and more info plese for the pepole who are doing gcse in uk like me thanks

    Pashmir1 1 month ago

  • you are great help thanks allot but can you make it longer for each time

    

    Pashmir1 1 month ago

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