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All predictable elements are currently known or highly unstable. There are about 92 naturally occurring elements; after those are a few that can be made in laboratory conditions but these are usually unstable and eventually decay into lead. This brings the total to about 115 known elements, give or take a few.
What else can I help you with?
Why did mendeleev had gaps in his tables?
Because during his time many elements were unknown. Hence the gap for the unknown elements.
Why are there many volcanoes in the world?
unknown
Howv many dolphins in the world?
unknown
How many slaughter houses in the world?
unknown
Are more than 100 elements are currently unknown?
The unknown elements are... well, unknown. However, it seems unlikely that there are 100 elements in addition to the known elements, for stability reasons: in generalm terms, the heavier the nucleus, the more unstable it becomes.
How many magicians are in the world?
Exact numbers are unknown.
What element is kuoton?
Kouton = Metal Elements. It is unknown which elements make it.
How many elements are there in the world so far?
113 elements.
Which group of elements were not known during their scientists research?
During the history of chemistry many elements were unknown; probable you think to noble gases, actinoids, lanthanoids.
How many anaconda's are in the world?
the anaconda is almost endangered. it is unknown to me how many there are
How many abandoned or unknown islands are in the world?
Two. Maybe three.
What is the most unknown river in the world?
the most unknown river in the world is the river that not many people know about i think that that river is Niger river probably (just an idea) .
