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Radium (Ra) atomic number 88

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Radium

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Q: First element known to be radioactive?
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Related questions

What is the best known radioactive element?

Probably uranium is the best known radioactive element.


Is the element hassium harmful?

As a radioactive element, yes.


Who discovered the first radioactive element?

Marie Curie. Uranium was discovered in 1789 by the German chemist Martin Heinrich Klaproth working in Berlin.


What characterizes a radioactive element?

As radioactive element is an element that is on the Priodic Table of Elements. A Radioactive Element is usually radioactive.


What is first radioactive element of periodic table?

Bismuth


Is the element sodium radioactive or non-radioactive?

non radioactive element


What is am element?

Element Am is Americium. Americium is radioactive element number ninety five. I would not wanna mess with Americium


How do you use radioactive element in a sentence?

A radioactive element is one that discharges radiation. Uranium is a radioactive element. A radioactive element is very dangerous if you don't have protective clothing. You should never go near a radioactive element.


Is uranium the first radioactive element?

Radioactivity is discovered on uranium.


Is the element silver radioactive?

No, it is not radioactive.


What is the breakdown of a radioactive isotope of the same element or of another element?

radioactive decay


What is polonum?

Polonium is a radioactive metallic element. One industrial use is in antistatic brushes or devices. It has more isotopes than any other element, of which all are radioactive. It is a known carcinogen in tobacco smoke.