By Robert Gardner
Ebook by means of Gardner, Robert, Conklin, Barbara Gardner
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Extra resources for Chemistry Science Fair Projects Using French Fries, Gumdrops, Soap, and Other Organic Stuff (Chemistry! Best Science Projects)
Tend to be soluble in other polar compounds. Tend to be insoluble in nonpolar compounds. nonpolar Molecules are uniformly neutral. Do not form ions in water. Chemical bonds are covalent. Tend to be soluble in other nonpolar compounds. Tend to be insoluble in polar compounds. Chemistry Science Fair Projects Salt, sodium chloride (NaCl), is a solid that consists of sodium ions (Na+) and chloride ions (Cl−). Looking at Table 1, would you expect salt to be soluble in water? To check your prediction, add a teaspoonful of salt to a small glass.
Only one of them is shown here. Can you draw the second one on a separate sheet of paper? 48 Compounds of Carbon sing models, show that as the length of the carbon chain in organic molecules increases, so does the number of possible isomers. U 49 Chapter s you saw in Chapter 2, compounds in which atoms share electrons are described as having covalent bonds. In some compounds the electrons in the covalent molecules are not shared equally. They tend to be more concentrated at one end of the molecule than the other.
They are 42 Compounds of Carbon H H a) C–C C–C H H ethene (ethylene) b) H–C–C–H ethyne (acetylene) H c) H H H–C–C–H H O H–C–C H H H O H–C–C O H H ethanoic (acetic) acid O H Figure 8 a) Carbon atoms form a double bond by sharing four electrons in ethene, or ethylene, the first hydrocarbon in the alkene series. b) Carbon atoms form a triple bond by sharing six electrons in ethyne, or acetylene, the first hydrocarbon in the alkyne series. c) Acetic acid molecules contain a double bond between a carbon atom and an oxygen atom.
Chemistry Science Fair Projects Using French Fries, Gumdrops, Soap, and Other Organic Stuff (Chemistry! Best Science Projects) by Robert Gardner