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Promethium is man made element.; the natural promethium is estimated to be less than 1 kg in the earth crust.
Wiki User
∙ 8y ago
Wiki User
∙ 11y agoitz named aftr Greek Technetos which means artificial so itz nt natural itz man made.
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Is it man made or naturally occurring?
Potassium is naturally made
Can you find all naturally occurring compounds on a periodic table?
Periodic table lists elements and not compounds. Out of the first 92 elements, 1 being hydrogen (H) and 92 being uranium (U), there are 90 that are naturally occurring. Technetium (Tc) and promethium (Pm) are man-made elements and do not have any isotopes occurring naturally.
Are all the elements naturally occurring manmade or both?
Not all the elements occur naturally; some elements are man-made.
How many natural elements are there in table of elements?
Out of the first 92 elements, 1 being hydrogen (H) and 92 being uranium (U), there are 90 that are naturally occurring. Technetium (Tc) and promethium (Pm) are man-made elements and do not have any isotopes occurring naturally.
Is iridium man made or natural?
Metal that is a naturally occurring element.
Not naturally occurring?
Something that is not naturally occurring is man made.
Is tungsten naturally occurring or man-made?
naturally occurring.
Is it man made or naturally occurring?
Potassium is naturally made
Is cardboard a naturally occurring?
No - it's a man-made object. But the stuff it is made from is naturally occurring.
Can you find all naturally occurring compounds on a periodic table?
Periodic table lists elements and not compounds. Out of the first 92 elements, 1 being hydrogen (H) and 92 being uranium (U), there are 90 that are naturally occurring. Technetium (Tc) and promethium (Pm) are man-made elements and do not have any isotopes occurring naturally.
Is a cardboard box naturally occurring?
No - it's a man-made object. But the stuff it is made from is naturally occurring.
Is phosphorus a naturally occurring or man made?
Phosphorus is naturally occurring. It is found in rocks
Is diamond a man-made or naturally occurring substance?
No. It's man-made.
Is thalium man made?
No, it is a naturally occurring element.
Which element is more common man made or naturally occurring?
Naturally occuring.
Are all the elements naturally occurring manmade or both?
Not all the elements occur naturally; some elements are man-made.
How many natural elements are there in table of elements?
Out of the first 92 elements, 1 being hydrogen (H) and 92 being uranium (U), there are 90 that are naturally occurring. Technetium (Tc) and promethium (Pm) are man-made elements and do not have any isotopes occurring naturally.
