Definition of Helium group
1. Noun. The series of inert gases.
Helium Group Pictures
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Lexicographical Neighbors of Helium Group
Literary usage of Helium group
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1920)
"... OF THE helium group. 535 In his celebrated research on the action of the electric spark on air, published in the Philosophical Transactions for 1785, ..."
2. Outlines of Chemistry: A Textbook for College Students by Louis Kahlenberg (1909)
"... will not unite with oxygen or with red-hot magnesium. This notable observation led to the discovery of the new elements of the helium group. ..."
3. Madeira Spectroscopic: Being a Revision of 21 Places in the Red Half of the by Charles Piazzi Smyth (1882)
"THE helium group IN A HIGH SUN. IN THE CITRON-GREEN COLOUR OF THE SPECTRUM. THE LIGHT VERY STRONG. In the continued progress of our subjects from the red, ..."
4. The Radioactive Substances: Their Properties and Behaviour by Walter Makower (1908)
"If we may assume that the atomic weights obtained for the emanations are somewhat too low, it is possible to group them in the helium group between Krypton ..."
5. A Text-book of Experimental Chemistry: (with Descriptive Notes) for Students by Edwin Lee (1908)
"It is rather remarkable that these five elements constitute a natural group, known as the helium group. The student is referred to the well.known work by ..."
6. Proceedings of the American Association for the Advancement of Science (1896)
"We therefore have here a complex hydrogen group and a complex helium group falling nearly at the same point. The problem of successfully disentangling the ..."