Basic chemistry

Which is the most radioactive element?

The most radioactive element?

Which is the most radioactive element?

What is the most radioactive element?

Question: What is the most radioactive element?

Answer: Radioactivity is a measure of the rate of decomposition of an atomic nucleus into more stable pieces. It is a bit complicated when trying to determine relative radioactivity, as there can be several unstable stages in the decay process before an element turns into stable pieces. All of the elements in element 84 are extremely radioactive.

These elements do not have stable isotopes .

Because it is a natural element that releases a huge amount of energy, many sources cite polonium as the most radioactive element . Polonium is so radioactive that it turns blue, which is caused by  excitation of gas particles by radiation.

The single milligram of polonium emits as many alpha particles as 5 grams of radium. It decays to release the energy at the rate of 140W / g.

The decay rate is too high to raise the temperature of a polonium sample over 500 ° C and subject you to a flow of contact gamma rays of 0.012 Gy / h, which is more than enough to kill you.

Elements other than polonium actually emit more particles, such as nobelium and lawrencium. The half-life of these elements is measured in a few minutes! Compare that with the half-life of polonium, which is 138.39 days.

According to  Periodic Table of Radioactivity , at this time, the most radioactive element known to man is element number 118, which has the name of the reserved space Ununoctium .

The decay rates of the last artificial elements are so rapid that it is difficult to quantify the speed with which they separate, but element 118 has the heaviest core known to date.

These elements essentially separate when they are created. It is reasonable to expect that the title of “more radioactive” will be taken over by a new element, as yet undiscovered.

Perhaps element 120, which scientists are working to produce, will be the most radioactive new element.

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