Chemical element with symbol Fr and atomic number 87.
Синонимы
Examples for "fr"
Examples for "fr"
1
This would give the miner who began his deposit of 22 fr.
2
I guess Noel-Pardon would go begging, and we might burn the fr.
3
Since the investment of the capital, they have taken their 1fr.
4
The phenotype of human ICOS deficiency, which differs in key aspects fr …
5
To lose hours staring at them, check out his Astrophoto.fr website.
1
A similar sample of francium would hang on for just twenty minutes.
2
Funnily enough, astatine is at the same time far more robust than francium.
3
Because many radioactive elements around uranium happen to decay into francium as they disintegrate.
4
Okay, sorry for not getting straight A's in francium class.
5
At the same time, francium shuttles atoms away from astatine, causing astatine to remain rare.