Science, asked by mahilanjayaprakash77, 10 months ago

I am the most valuable elements. Find who am I? Can you say my mass number?.​

Answers

Answered by cherriecschan
5

Answer:

Francium.

Symbol: Fr

Atomic number: 87

Explanation:

Francium costs approximately $1 billion per gram. However, this natural element decays so quickly it can't be collected to be sold. If you could buy it, you'd pay billions of dollars for 100 grams.

Answered by nithin644
2

Answer:

Carbon,mass number:12

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