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結果 : what does francium look like
2:59

Francium: The Discovery of World's Most Expensive Element

Uncover Science
35,384 回視聴 - 3 年前

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4:14

The most expensive element on Earth: $1 billion per gram!

Hashem Al-Ghaili
1,999,748 回視聴 - 5 年前
1:57

Reaction of Francium In Water!! |All Alkali Metals In Water!!

AUX- ASSASIN-X
447,018 回視聴 - 3 年前
8:55

Plutonium, the Most Dangerous Man Made Element

OnTen Inc
560,117 回視聴 - 2 年前

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1:39

Alkali Metals - 03 Francium

Royal Society Of Chemistry
96,620 回視聴 - 11 年前
3:15

Price Comparison (Most Expensive Substance)

Reigarw Comparisons
31,379,932 回視聴 - 6 年前

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2:39

Francium

Periodic Elements
3,847 回視聴 - 3 年前
1:23

First ever Francium and water reaction in history - parody...

Frank Oloffsen
576,705 回視聴 - 7 年前
3:14

Probability Comparison: Rarest Substances on Earth

Reigarw Comparisons
6,424,620 回視聴 - 4 年前
2:37

Living Periodic Table - Francium

LivingPeriodicTable
783 回視聴 - 1 年前
1:09

Cesium is scary

NileRed 2
8,319,156 回視聴 - 3 年前