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the Periodic Table is set up by atomic number, obviously. the atomic number is equal to the amount of protons, so the periodic table is set up by amount of proton order.
During the time more than 100 versions of the periodic table were proposed.
See the link bellow for some details; also the links of this...link.
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∙ 13y ago
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When did cobalt become an element of the periodic table of the elements?
Cobalt has always been an element.
Who orginized the periodic table of elements?
There have been two make ups of the periodic table so far Mosley made the first one but was overtaken by Dimitri Mendeleev's form, which we use today.
How does alkali earth metals reacts to other elements in the periodic table?
Through compounds (one element plus another (only some have been found the periodic table always changes))
How does the periodic table differs from Mondeleev's periodic table?
Elements have been and still are being added
What are the elements in the periodic table based on?
Atomic Number
Why did they number elements on periodic table?
No one give number to elements in periodic table. they have been calculated
Where are rare elements on a periodic table?
you find the ones that have been added to the periodic table in the old days
What are at the bottom of the periodic table?
The Lanthanides and the Actinides have been moved in the periodic table simply to save space. --PainRain
When was Tin added to the periodic table?
Tin has been known since antiquity, and has been in the periodic table since the table was developed by Dmitri Mendeleev in the late 1860's.
Dmitri Mendeleev was particularly important why?
He is important because he was the person who invented the Periodic Table and made it how it is today
Was there been more than one periodic table?
Before the modern periodic table , the concepts for classification of elements were given by Dobereiner , Newland law of octaves ,Mendeleev's periodic table.
108 E in the P T?
That stands for "One hundred eight Elements in the Periodic Table", but this is now obsolete. As of 2008, at least 117 elements have been discovered.
