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When the textbook was written how many elements had been discovered?
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How many elements have been discovered in 2008?
There were 118 discovered elements in the periodic tableÊas of 2008. However, some of these elements still have ongoing disputes.
How many elements had been discovered by 1959?
97 elements were known in 1950. Berkelium (Element 97) was discovered in December 1949.
How many elements were there in 1860?
63 elements had been discovered so far.
What do you call elements that react?
not been discovered yet
Are there only 100 elements?
no there are more which have not been discovered
Are the element sin the periodic table the only elements discovered?
Yes. The elements in the Periodic Table are the only elements that have been discovered. However, we are still discovering and synthesising more elements.
How many elements have been created or discovered by scientist?
All the elements after Uranium (U).
How has the periodic tabel chenged through the years?
Additional elements have been discovered and added including the synthetic elements. Some of the previously "synthetic" elements have been discovered to be naturally occurring, and have been changed to reflect this. The Atomic Mass calculations have been improved.
How many elements had been discovered before 1851?
1
Where are all the elements that have been discovered listed?
In the periodic table
How many blank spaces did Mendeleev leave in the periodic table which represented elements that had not yet been discovered?
Mendeleev left 3 blank spaces for the elements that had not yet been discovered.
How many known elements have been discovered in the periodic table?
118
