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Actinoids, and generally all the elements from polonium (atomic number 84) to ununoctium (atomic number 118).

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15y ago

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What 3 families contain no radioactive elements?

Oh, dude, let me break it down for you. So, the three families that contain no radioactive elements are the noble gases, the alkaline earth metals, and the alkali metals. It's like they're the cool kids who don't mess around with that radioactive drama. Just chillin' with their stable atomic structures, you know?


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.


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.


All members of what family are radioactive?

the actinide series


What family is all radioactive elements?

The Actinide series.


What element family have no radioactive elements?

Radioactive elements exist in all groups of the periodic table.


What family is made up of all radioactive elements?

The family of radioactive elements is called the Actinides. This group includes elements such as uranium, thorium, and plutonium, which are known for their radioactive properties.


What is the family name of for Technetium?

Transition metals. in fact, it is the Only radioactive transition metal!


In what family would you classify radium?

Radium is a member of the alkaline earth metals group (group 2).