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What was the first of all the actinides?

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Pitty142 ∙

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∙ 13y ago
Updated: 8/18/2019

Thorium (90)

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∙ 13y ago
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Related Questions

Are all atoms of actinides radioactive?

Yes. All of the actinides are radioactive.


Is a characteristic of the actinides?

All actinides are radioactive elements and some are man made.


Is a characteristic of Actinides?

All actinides are radioactive elements and some are man made.


What are all but 3 actinides?

radioactive


What is made up of all radioactive elements?

The actinides


Why are the nuclear structures of the actinides more important than the electron configuration's of the actinides?

Because the nuclei of actinides are unstable and spontaneously break apart, all actinides are radioactive.


Who named actinides as 'actinides'?

mosley


What is the first of the actinides?

Actinium Symbol: Ac Atomic Number: 89


What do the lanthanide and actinides all have in common?

They are F-block elements


Is plutonium a non metal?

No, it is a metal, as all the other actinides are.


What are hazards in actinides?

importance abuot actinides


Where do the lanthanides and actinides get their names?

The lanthanides get their name from the element lanthanum, which was the first in the series to be discovered. The actinides get their name from actinium, which was the first element in this series to be discovered.

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