TIP
Know how this trend relates to the chart below.
Can you explain the peaks?TIP
Know the reason for the peaks and valleys.NUCLEAR TRANSFORMATIONS AND STABILITY
At the same time advances in atomic theory were occurring, scientists were
noticing phenomena associated with emissions from the nucleus of atoms in the
form of “X-rays.” While Roentgen announced the discovery of X-rays, Becquerel
was exploring the phosphorescence of some materials. Becquerel’s work
received little attention until early in 1898, when Marie and Pierre Curie entered
the picture.
Searching for the source of the intense radiation in uranium ore, Marie and