(1887–1915), English physicist; full name Henry Gwyn Jeffreys Moseley. He determined the atomic numbers of elements from their X-ray spectra, demonstrated that an element's chemical properties are determined by this number, and showed that there are only ninety-two naturally occurring elements.
Definition of Moseley, Henry in US English:
Moseley, Henry
proper nounˈmōzlē
(1887–1915), English physicist; full name Henry Gwyn Jeffreys Moseley. He determined the atomic numbers of elements from their X-ray spectra, demonstrated that an element's chemical properties are determined by this number, and showed that there are only 92 naturally occurring elements.