2020.04.12「お家で元素記号体操 3/7日目」F(フッ素)!!
フッ素化合物なみの”安定”を保ち、F(フトモモ)をのばす〜!

I’m uploading the “Element symbol exercise” at home for a week!

【3rd Day】F(fluorine)!! Be “stable” like fluorine compounds and stretch Futomomo(Thigh in English).