Physicists Stunned: Lead-208’s Shape Just Broke a Fundamental Rule of Nuclear Physics
For decades, scientists believed that lead-208, a "doubly magic" and highly stable atomic nucleus, was perfectly spherical.
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Atomic structure and the periodic table
The periodic table The periodic table is a chart of all the elements arranged in increasing atomic number. Group 1 alkali metals The Group 1 elements, also known as the alkali metals, all react ...
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Atomic structure and the periodic table
Chemists use symbols and formulae to represent elements and compounds ... The method chosen depends on the type of mixture. Atomic structure - AQA Atoms consist of a nucleus containing protons ...