Electricity and magnetism for advanced students (1920)
Starling, Sydney George, 1873- · London Longmans, Green · leaf 520
equiUbxium is reached. This explanation was put forward by Rutherford and Soddy ^ toaccount for the changes occurring in thorium, and it has subsequentlybeen found that a similar explanation may be given to all radioactivechanges, although the new substance formed may be solid, liquid, or gas,its… … S^^o ^^^^^^ Doj/s Fig. 434. is free from thorium, has the greater part of the activity ; and on evapo-rating to dryness and driving off the ammonium salts, a solid residue isobtained which in proportioo. to its weight is several thousand times asactive as the original thorium. This substance was…
Electricity · Magnetism
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