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Actinoids, and generally all the elements from polonium (atomic number 84) to ununoctium (atomic number 118).
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What are the similarities between actinium and plutonium?
Both metals are radioactive and members of the actinoids family.
Are metals radioactive elements?
No. All elements with atomic number greater than 83 are radioactive, including some metals such as polonium, uranium, etc. But there are radioactive isotopes of most metals on the periodic table but are very rare and sometimes must be produced in reactor or particle accelerator.
Which alkaline earth metals are radioactive?
Radium is the radioactive metal among alkaline earth metals.
What are the unique properties of actinide metals?
They are mostly Synthetic elements (when nuclear particles are forced to crash into one another by a particle accelerator (machine)). These Elements are Radioactive.
Are inner transition metals radioactive?
The inner transition metals are radioactive and are found in the f-block. These are commonly referred to as actinoids and are alkali metals.
Which of the metal are not radioactive?
Most metals are stable and thus not radioactive.
What element family have no radioactive elements?
Radioactive elements exist in all groups of the periodic table.
All members of what family are radioactive?
the actinide series
What family is all radioactive elements?
The Actinide series.
What family is made up of all radioactive elements?
The actinides
What are three radioactive are?
They are Alkali metals, Alkaline Earth metals, and Carbon 16. ----
How would you describe the elements that are listed after plutonium?
All these elements are man made, metals, radioactive and unstable.
