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Oddo-Harkins rule
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English
Wikipedia
has an article on:
Oddo-Harkins rule
Wikipedia
Etymology
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First reported by Giuseppe Oddo in 1914 and William Draper Harkins in 1917.
Proper noun
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Oddo
-
Harkins
rule
(
chemistry
)
a rule which states that
elements
that have an
even
number of
protons
in the
nucleus
are more
common
than those with an
odd
number