Eminent chemists of our time . g more thandifferent forms of one element, carbon. The chemistgives the name allotropic to such different forms ofone element. Allotropic elements show the same com-position, though the internal structure of the atoms areprobably different. Diamond, graphite, lampblack, etc.,when completely burned, all give carbon dioxide andnothing else, proving the identity of these allotropicforms. It is easy enough to convert diamond into one of theother forms of carbon by strongly heating it, but untilMoissans time no one had succeeded in the reverseprocess. Before, however,

GLIX-115-2AJ729Y

Eminent chemists of our time . g more thandifferent forms of one element, carbon. The chemistgives the name allotropic to such different forms ofone element. Allotropic elements show the same com-position, though the internal structure of the atoms areprobably different. Diamond, graphite, lampblack, etc.,when completely burned, all give carbon dioxide andnothing else, proving the identity of these allotropicforms. It is easy enough to convert diamond into one of theother forms of carbon by strongly heating it, but untilMoissans time no one had succeeded in the reverseprocess. Before, however,
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Eminent chemists of our time . g more thandifferent forms of one element, carbon. The chemistgives the name allotropic to such different forms ofone element. Allotropic elements show the same com-position, though the internal structure of the atoms areprobably different. Diamond, graphite, lampblack, etc.,when completely burned, all give carbon dioxide andnothing else, proving the identity of these allotropicforms. It is easy enough to convert diamond into one of theother forms of carbon by strongly heating it, but untilMoissans time no one had succeeded in the reverseprocess. Before, however,

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