Atomic Weight Quotes by William Crookes

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• [This] may prove to be the beginning of some embracing generalization, which will throw light, not only on radioactive processes, but on… — Frederick Soddy
• The question whether atoms exist or not... belongs rather to metaphysics. In chemistry we have only to decide whether the assumption of… — August Kekule
• It has long been known that the chemical atomic weight of hydrogen was greater than one-quarter of that of helium, but so… — Francis William Aston
• We must expect the discovery of many as yet unknown elements-for example, elements analogous to aluminum and silicon- whose atomic weight would… — Dmitri Mendeleev
• Probably our atomic weights merely represent a mean value around which the actual atomic weights of the atoms vary within certain narrow… — William Crookes
• When the elements are arranged in vertical columns according to increasing atomic weight, so that the horizontal lines contain analogous elements again… — Dmitri Mendeleev
• The magnitude of the atomic weight determines the character of the element, just as the magnitude of the molecule determines the character… — Dmitri Mendeleev
• Experimental work of great refinement is necessary in order to determine atomic weights. No relationships between them have yet been certainly found… — Theodore William Richards

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