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There is a possibility that it will never be finished as human haven't gotten everywhere on the earth and certainly not to the inside, so, no one can yet imagine what could be inside of the inner core !
Wiki User
∙ 14y ago
Wiki User
∙ 9y agoThere maybe endless elements yet to add to the Periodic Table. New elements spring up or are created by man which may not be stable but do exists for a long period of time enough to study them.
Wiki User
∙ 11y agoBecause there may be elements that we are unaware of in space. Elements that are in unexplored environments that haven't been transported by comets or asteroids to our planet.
Wiki User
∙ 13y agono it is not complete
Wiki User
∙ 11y agoYes it is..
Wiki User
∙ 10y agoYes
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If an element is the last element in its period what does this mean?
On the Periodic Table, a Period is one of the horizontal rows. If an element is last in it's period, then it's on the right hand side of the Periodic Table. There is an inert gas at the end of every Period.
What is the characteristic of last element in each period of periodic table?
The last element in each period is a noble element. It is non-reactive.
What group does argon belong to on the periodic table?
Argon (Ar, element number 18) is the last element in the third period of the periodic table.
Why does each period in the periodic table end with a noble gas?
Because noble gases are in the last column
What is the last alphabetical symbol in the periodic table?
Zirconium or Zr
If an element is the last element in its period what does this mean?
On the Periodic Table, a Period is one of the horizontal rows. If an element is last in it's period, then it's on the right hand side of the Periodic Table. There is an inert gas at the end of every Period.
What is the characteristic of last element in each period of periodic table?
The last element in each period is a noble element. It is non-reactive.
What group does argon belong to on the periodic table?
Argon (Ar, element number 18) is the last element in the third period of the periodic table.
Why does each period in the periodic table end with a noble gas?
Because noble gases are in the last column
Where ia Lawrencium located on the periodic table?
Atomic no. 103. Located in period 7 d-block. Last element of the actinide series.
What best describes why krypton is located in the last column on the periodic table?
Krypton is a noble gas. It has 8 electrons in the outermost shell. So it is in the last column of the periodic table.
Where is a complete periodic table?
A complete periodic table arranged in periods and groups. The symbol of element and atomic number are mentioned.
What is the last alphabetical symbol in the periodic table?
Zirconium or Zr
Where are the noble gases located on the periodic table?
group 18, the right most group on the periodic table
What is the placement of the noble gases and why?
The last column of the periodic table of elements
What are the noble gases on the periodic table?
The very last row on the right
In alphabetic order what is the last element on the periodic table?
Zirconium - Zr
