资讯

Compounds made from non-metal elements that are bonded together usually form molecules. Compounds including both a metal element and a non-metal element bonded together do not form molecules.
WE have not yet received from the Royal Society the ViVa paper read last Thursday by Mr. Lockyer, in which he brought forward facts indicating the compound nature of the chemical elements. In the ...
Robin Findlay Hendry †‡, Elements, Compounds, and Other Chemical Kinds, Philosophy of Science, Vol. 73, No. 5, Proceedings of the 2004 Biennial Meeting of The Philosophy of Science AssociationPart II: ...
Books Received Published: 10 December 1927 The Chemical Elements and their Compounds: an Introduction to the Study of Inorganic Chemistry from Modern Stand points Nature 120, 836 (1927) Cite this ...
High Pressure Yields Novel Single-element Boron 'Compound' Date: February 4, 2009 Source: Stony Brook University Summary: Scientists have found the first case of an ionic crystal consisting of ...
You may have an opinion on climate change, evolution education, stem-cell research, and science funding. But do you have the facts to back up your opinion? This quiz will test your basic ...