のようなYouTubeチャンネル Professor Heath's Chemistry Channel


10,500,000 3.02%

739,000 2.48%

1,150,000 1.48%

220,000 2.02%

867,000 1.75%

1,610,000 2.21%

4,070,000 2.84%

240,000 5.01%

32,600 1.73%


26,100 1.88%

67,100 1.78%

59,400 1.35%


210,000 2.78%

202,000 1.65%

171,000 1.49%

35,000 4.91%

147,000 3.07%

10,800 1.07%

2,580,000 2.26%

322,000 3.51%

231,000 5.87%

296,000 0.99%