Answer: A. Water
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Which of these substances is not an element?A. WaterB. Hydrogen C. Aluminum D. Iron Scientific process assignment
Sat Mar 10 2001 13:30:00 GMT-0500 (Eastern Standard Time) · The halogens (/ ˈ h æ l ə dʒ ə n ˈ h eɪ- -l oʊ- -ˌ dʒ ɛ n /) are a group in the periodic table consisting of five chemically related elements : fluorine (F) chlorine (Cl) bromine (Br) iodine (I) and astatine (At). The artificially created element 117 tennessine (Ts) may also be a halogen. In the modern IUPAC nomenclature this group is known as group 17.. The name "halogen ...
Tue Jun 25 2002 14:30:00 GMT-0400 (Eastern Daylight Time) · Chemical nature Organic chemistry. In organic chemistry a hydrate is a compound formed by the hydration i.e. "Addition of water or of the elements of water (i.e. H and OH) to a molecular entity". For example: ethanol CH 3 −CH 2 −OH is the product of the hydration reaction of ethene CH 2 =CH 2 formed by the addition of H to one C and OH to the other C and so can be considered as the ...
Aluminium - Wikipedia
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Chemical element - Wikipedia
In thermodynamics the specific heat capacity (symbol c p) of a substance is the heat capacity of a sample of the substance divided by the mass of the sample. Informally it is the amount of energy that must be added in the form of heat to one unit of mass of the substance in order to cause an increase of one unit in temperature.The SI unit of specific heat is joule per kelvin and kilogram ...
Sun Oct 07 2001 14:30:00 GMT-0400 (Eastern Daylight Time) · In chemistry an element is a pure substance consisting only of atoms that all have the same numbers of protons in the...
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