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Element 87 (Francium) was discovered in 1939 by the French scientist Marguerite Perey. The pure element is hard to isolate, as it has a radioactive half-life of about 21 minutes.

It is also one of the rarest elements: there is probably less than a hundred grams of it on Earth!

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wthu

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βˆ™ 3y ago
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AnswerBot

βˆ™ 7mo ago

Francium is a highly unstable and radioactive element found in very small quantities in nature. Its discovery relied on advanced scientific techniques and instruments that were not available until the early 20th century. Additionally, the element's extreme reactivity and short half-life posed significant challenges for isolation and identification.

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BettyBot

βˆ™ 1mo ago

Well, honey, Francium took another 80 years to be discovered because it's a diva that doesn't like to show itself off. Plus, it's as rare as a unicorn in the wild, so scientists had to do some serious digging to find it. Basically, Francium was playing hard to get, but eventually, those persistent scientists caught it slippin'.

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βˆ™ 16y ago

The reason it toke so long to discover because it is a unstable element The reason it toke so long to discover because it is a unstable element The reason it toke so long to discover because it is a unstable element

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βˆ™ 14y ago

Francium is a natural chemical element but the total quantity of francium in the earth crust is only approx. 30 g. Francium has ca. 40 isotopes and isomers but only two are natural: 221Fr (in the neptunium decay chain series) and 223Fr (in the actinium decay chain series). Artificially preparation of francium isotopes is also extremely difficult and expensive; and the chemistry and physics of isotopes was developed essentially after 1940. Supplementary, the most stable isotope of francium has a half life of only 21,8 minutes and is strongly radioactive; the half lives of the artificially prepared isotopes are more smaller.

This is sufficient reason to explain why francium was later discovered and why even today is only slightly studied.

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βˆ™ 9y ago

The total amount of the francium in the Earth crust is approx. 30 grams.

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Q: Why did Francium take another 80 years to be discovered?
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All of the alkali metals except francium were discovered by 1860. Why did it take scientists nearly another 80 years to discover francium?

Francium is named after France, which is where the element was isolated in 1939 by Marguerite Perey. Traces of francium occur naturally in uranium-containing minerals. francium is very rare so it took time to find it (i think)


Why did it take scientists nealy another 80 years to discover francium?

The total amount of the francium in the Earth crust is approx. 30 grams.


What new elements were discovered?

Take a look at a periodic table. All elements after Uranium were discovered fairly recently, within the last 100 years or so. Some others, such as Technetium and Francium, were also discovered in that time.Take a look at a periodic table. All elements after Uranium were discovered fairly recently, within the last 100 years or so. Some others, such as Technetium and Francium, were also discovered in that time.Take a look at a periodic table. All elements after Uranium were discovered fairly recently, within the last 100 years or so. Some others, such as Technetium and Francium, were also discovered in that time.Take a look at a periodic table. All elements after Uranium were discovered fairly recently, within the last 100 years or so. Some others, such as Technetium and Francium, were also discovered in that time.


Why did it take scientists nearly another eighty years more to discover francium?

The total amount of the francium in the Earth crust is approx. 30 grams.


Why did it take scientists nearly another 80 years to discover francium as simple as possible?

The total amount of the francium in the Earth crust is approx. 30 grams.


Why did it take eighty years longer to discover francium than all the other alkali metals?

I'm doing homework on francium for my school the question is... The last element to be discovered had to wait until something else was discovered. What was this? So there had to be something else discovered before it was discovered but i don't know what that other something is help... my homeworkd due in tomorrow.


All alkali metals except francium had been disconerd by 1860 why did it take scientists another 80 years to find francium?

Francium is the second rarest element on earth so that's probably why it took a little longer to discover.


All of the alkali metals except francium had been discovered by 1860 Why did it take scientists nearly another 80 years to discover francium?

Back then they did not know what radioactivity was There wasn't the right equipment to discover it at the time It comes from Uranium, which doesn't last for that long...it has a half life of 21 minutes Very rare, 30g in the world at one time


All of the alkali metals except francium had been discovered by 1860why did it take scientists nearly another 80 years to discover francium?

Francium is a natural chemical element but the total quantity of francium in the earth crust is only approx. 30 g. Francium has ca. 40 isotopes and isomers but only two are natural: 221Fr (in the neptunium decay chain series) and 223Fr (in the actinium decay chain series). Artificially preparation of francium isotopes is also extremely difficult and expensive; and the chemistry and physics of isotopes was developed essentially after 1940. Supplementary, the most stable isotope of francium has a half life of only 21,8 minutes and is strongly radioactive; the half lives of the artificially prepared isotopes are more smaller. This is sufficient reason to explain why francium was later discovered and why even today is only slightly studied.


Why did it take the scientists nearly 80 years to discover francium?

The total amount of the francium in the Earth crust is approx. 30 grams.


Why did it take scientists nearly another 80 years to dicover Francium?

cause i needed a big pis and then got tired it was my fault it took so long [[[[:)


Hy did it take scientists nearly anther 80 years to discover francium?

The total amount of the francium in the Earth crust is approx. 30 grams.