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Polonium is often considered to be the most radioactive element, but there are far more radioactive elements like nobelium and lawrencium. However, the most radioactive elements are man-made like ununtrium and ununseptium. Out of these, ununoctium is the most radioactive but scientists are continuing to make even more radioactive elements today.
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∙ 14y ago
The heaviest naturally occurring radioactive element is uranium, specifically uranium-238. Uranium-238 is commonly used in nuclear reactors and has a long half-life, making it a significant source of radiation.
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∙ 15y agoK40 (potassium) when it does beta capture / positron emission, produces about 20 daughter photons of various energies. Beyond this there are lots of heavy elements that go through a series of decays (alpha and beta emissions) over a fairly short period. "Most" implies that we have enough of any given isotope to make a value judgment.... normally we don't.
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∙ 11y agoElements of the lanthanide and actinide series are the most radioactive. These include many elements that have such short half lives that they are never observed outside the laboratory (and are observed with great difficulty even within the laboratory). Some elements can only exist for a fraction of a second before they undergo radioactive decay.
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∙ 9y agoThe heaviest element that is still very radioactive is Radium (Ra). Radium is an alkaline earth metal. The Curie unit of radioactivity is based on radium-226.
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∙ 12y agoCesium with 36 radio active isotopes
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∙ 9y agoFrancium! ) ('.')
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∙ 12y agopolonium
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∙ 12y agoplutonium
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What is the heaviest element in group 16?
The heaviest element in group 16 is Polonium. It has an atomic number of 84 and is a rare, highly radioactive metal.
What is the heavist element in the periodic table?
The heaviest stable element is bismuth, atomic number 83, atomic weight 208.9804). Any heavier element is radioactive, which means it decays into lighter elements - uranium, the heaviest naturally occurring element, will eventually decay into lead-207.
Which is the heaviest member of halogen family?
Astatine is the heaviest member of the halogen family. It is a rare and radioactive element with high atomic mass and density compared to the other halogens.
What is the 85th element on the Periodic Table of Elements?
The 85th element on the Periodic Table of Elements is astatine (At). It is a highly radioactive element and the heaviest known halogen. Astatine is rare and is primarily produced as a result of decay processes in uranium ores.
Radon is the most heaviest naturally radioactive what?
Radon is one of the noble (inert gases), is radioactive (half-life of about 4 days, decaying to polonium), and is naturally occurring in relatively small quantities. Whether or not it is the heaviest of this group, I am not sure...perhaps someone else can verify.
Heaviest element that is highly radioactive?
The heaviest element that is highly radioactive is Ununoctium, which has an atomic number of 118.
Which is the heaviest radioactive element?
The heaviest natural radioactive element is Uranium.Man made elements are continuously being made. The latest heaviest superheavyweight man made element to be discovered is element 117 (it is still so new that it hasn't been given a name yet).A little different bit of information about Fermium, a team has captured a piece of its spectrum-the wavelengths of light it absorbs-making it the heaviest element ever to be so measured. It was made in the 1952 detonation of the first thermonuclear bomb. It does not make it as the heaviest element, just the heaviest to have it's light spectrum captured.
What is the heaviest element in group 16?
The heaviest element in group 16 is Polonium. It has an atomic number of 84 and is a rare, highly radioactive metal.
What is the heaviest Alkaline-earth metal?
The heaviest alkaline-earth metal is radium. Radium is a highly radioactive element and is the heaviest and most unstable of the alkaline-earth metals.
Which element has the heaviest atoms from the group calcium fluorine uranium?
Uranium has the heaviest atoms out of these three elements. It is a radioactive element with atomic number 92 and a relatively high atomic mass.
What is the heaviest usable metal?
Tungsten is the heaviest usable metal. It has a high density and is often used in applications where a material with high density and strength is required, such as in aerospace and military industries.
What are three unusual or unique facts about your element uranium?
1. Uranium is the heaviest natural chemical element. 2. Uranium is radioactive 3. Uranium isotope U-235 is fissile
Is seaborgium a metal or nonmetal?
Seaborgium is a synthetic element that belongs to the category of transition metals on the periodic table. It is a highly radioactive metal and is the heaviest element in the actinide series.
What is the heaviest non-radioactive alkali Earth metal?
Barium is the heaviest non-radioactive alkali Earth metal, with an atomic number of 56.
What is the heaviest element found as a liquid?
Mercury is the heaviest element at a liquid state.
What is the largest natural stable element?
The largest natural stable element is bismuth with atomic number 83. It is the heaviest element that is stable and does not undergo radioactive decay.
What is the heavist element in the periodic table?
The heaviest stable element is bismuth, atomic number 83, atomic weight 208.9804). Any heavier element is radioactive, which means it decays into lighter elements - uranium, the heaviest naturally occurring element, will eventually decay into lead-207.
