The elements are lined up in order of increasing atomic number (number of protons).
The periodic table tells you all the known elements know to us. I dont think there is such a thing as periods.
By number of elctrons,protons in them and their reaction rate
you press escape and go punch your mum in the gut as hard as you can
Wikipedia, WolframAlpha etc. will all tell you information about elements.If you want something similar to a periodic table, there is something called the Chart of the Nuclides (google it) that is somewhat like a periodic table, except that it includes all isotopes of elements. Plenty of textbooks have tables of atomic data too that aren't necessarily in a periodic table.
That it does not gain or loose electrons.
The periodic table tells you chemical elements. :)
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Atomic weight
where tell me then
Elements in the same period has same number of valence shells.There are 7 periods in Periodic Table.
The periodic table tells you all the known elements know to us. I dont think there is such a thing as periods.
The periodic table is in order of atomic mass
The atomic number of each element is on the periodic table. The elements are arranged on the periodic table in order of increasing atomic number.
Chlorine and Bromine have similar properties. You can tell because they are in the same vertical column in the periodic table.
They are in the same column.
By number of elctrons,protons in them and their reaction rate
you press escape and go punch your mum in the gut as hard as you can