The Oddo-Harkins rule holds that elements with an even atomic number (such as carbon) are more common than elements with an odd atomic number (such as nitrogen). The effect was first reported by Giuseppe Oddo in 1914 and William Draper Harkins in 1917.
Read more about Oddo-Harkins Rule: Definition, Exceptions To The Rule
Famous quotes containing the word rule:
“Mothers easily become jealous of their sons’ friends when they are particularly successful. As a rule a mother loves herself in her son more than she does the son himself.”
—Friedrich Nietzsche (1844–1900)