ʜᴇʟʟᴏ ᴛʜᴇʀᴇ!
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In his periodic table Mendeleev did not list all of the elements in order of increasing atomic mass because he wanted to group together elements with similar properties.
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нσρє тнιѕ нєℓρѕ уσυ!
gσσ∂ ℓυ¢к :)
нανє α gяєαт ∂αу
- нαηηαн ❤
