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properties of the elements and atomic masses
The elements were first arranged by the atomic mass of the elements in the first original table. Then it was arranged by atomic number.
It was probably begun by some unknown person in the early copper age. But the formal scientific classification is of course much more recent but probably can't be entirely attributed to any one person.
By observing chemical reactions.
before it there was no organization, but the first periodic table was organized by atomic mass.
properties of the elements and atomic masses
The elements were first arranged by the atomic mass of the elements in the first original table. Then it was arranged by atomic number.
Some early attempts at settlement succeeded
They were very pooish
Theodore Roosevelt wrote "There is no such thing as failure there is only early attempts at success."
Aristotle
Four important developments in human culture are Elements of Culture ,People and Their Land,Early Technology ,and The Start of Agriculture
Short novels.
because disieces
*actor, space, lighting
Some early attempts at settlement succeeded
yes