Certain Characteristic Properties Of Elements Can Be

No One Nor Anything Can Silence Me.

Elements Which Are Similar As Regards Their Chemical Properties Have Atomic Weights Which Are Either Of Nearly The Same Value (eg. Pt, Ir, Os) Or Which Increase Regularly (eg. K, Ru, Cs).

I Saw In A Dream A Table Where All The Elements Fell Into Place As Required. Awakening, I Immediately Wrote It Down On A Piece Of Paper.

If All The Elements Are Arranged In The Order Of Their Atomic Weights, A Periodic Repetition Of Properties Is Obtained. This Is Expressed By The Law Of Periodicity.

Certain Characteristic Properties Of Elements Can Be Foretold From Their Atomic Weights.