2020.04.14「お家で元素記号体操 5/7日目」P(リン)!!リンは数種類の同素体を持ちますが頭だけを持ち、首を伸ばしましょう〜！

《Element symbol exercise》
【5th Day】P(phosphorus)!!
Phosphorus has several allotropes, but I only have my head in my hand and stretch the nape!