#https://www.nhk.or.jp/das/image/D0005302/D0005302188_00000_S_001.jpg

INFO:
スズと亜鉛、銅。これらを、塩化スズ、塩化亜鉛、塩化銅の水溶液に、それぞれ入れて、反応を観察した実験の結果から、イオンが金属として現れる決まりを探そう！

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・This video 「

イオンが金属として現れる決まりは… | NHK for School

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