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Liquids or melt at close to room temp. If all the elements are arranged in the order of their atomic weights, a periodic repetition of properties is obtained. This is expressed by the law of periodicity. Dmitri Mendeleev, Principles of Chemistry, Vol. 2, 1902, P. Henry Moseley, Philosophical Magazine, Vol. 26, 1913, p1030. Carl Sagan, Cosmos, 1980, Random House, p223. 2 Similar chemical properties to other elements in the same column - in other wo.
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CHEMISTRY AROUND THE WORLD When we see something around us, we recognize that every single thing is chemistry. So certainly, for better live, we have to motivate ourselves to learn everything around us. Please motivate yourselves to follow my web. I ask you also to leave a comment in my articles. Green Education through Eco Chemistry.
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How to Name Inorganic Compounds. Naming a compound from its molecular formula is definitely an useful skill to master for students studying Chemistry. This guide will help you become familiar with that skill. You can practice these skills and master them. The number of atoms in a compound is usually denoted by a prefix. For example in CO, there is an oxygen atom for every carbon atom and hence it is called Carbon Monoxide.
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