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U235 is the last entry on the Periodic Table, of atoms that are ~stable. There are many elements more massive than this, but they are all radioactively unstable. Some consider there may be "an island of Stability" further up the atomic number chart, but we don't know yet.
As to a specific heavier element, Americium 95 is one that has found application in ionization smoke detectors.
What else can I help you with?
What category of element is themost common in the periodic table?
There are more metals than any other type of element in the periodic table.
Is oxygeon an element?
yes, it is an element on the periodic table.
What is the name of the element As in the periodic table?
The element abbreviated with As on the periodic table is Arsenic
The first element on the periodic table table of elements is helium?
No, the first element on the Periodic Table is Hydrogen, but because of its unusual behaviour it is usually placed by itself, not next to any other elements. The second element is Helium.
Is carbon the first element in the periodic table?
NO!!! Carbon is No. 6 in the Periodic Table. Hydrogen is No. 1 in the Periodic Table.
Is carbon the first element on the periodic table of elements?
No, carbon is not the first element on the periodic table of elements. Hydrogen is the first element on the periodic table.
Is copper wiring a mixture compound or element?
Copper is on the Periodic Table, anything on the periodic table is an element so copper wire is made from an element.
What is a group in a periodic table.?
A group in Periodic Table is the column of element in periodic table
What is element H on the periodic table?
The element 'H' is hydrogen, and is NO. 1 in the Periodic Table.
Is oxygen the lightest element on the periodic table?
No, hydrogen is ?the lightest element in the periodic table.
What does ni mean on the periodic table?
On the periodic table Ni represents the element Nickel.
What is Hn in the periodic table of elements?
There is NO element in the Periodic Table with the symbol 'Hn'. The nearest is hydrogen (H).
