The elements which are the most widely diffused have small atomic weights.
Mendeleev on the Periodic Law: Selected Writings, 1869 - 1905 (ed. Courier Corporation, 2013) - ISBN: 9780486150420
The elements which are the most widely diffused have small atomic weights.
Mendeleev on the Periodic Law: Selected Writings, 1869 - 1905 (ed. Courier Corporation, 2013) - ISBN: 9780486150420