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9 Cards in this Set

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Alchohols
Organic compound containing one or more hydroxyl groups (OH) ; it dissolves readily in water. Sugars are examples
compounds
Molecule consisting of two or more elements in unvarying proportions (e.g., H20)
Cohesion
Capacity to resist rupturing when placed under tension
Carbohydrates
Molecule of carbon, hydrogen and oxygen mostlyin a 1:2:1 ratio. Main kinds are monosaccharides, oligosaccharides and polysaccharides. They are structural materials, energy stores, and transportable energy forms.
Covalent
bonding of two molecules into a larger one; water often forms as a by-product
Covalent bond
Sharing of one or more electrons between atoms or groups of atoms. Nonporlar bonds share them equally. polar bonds (slightly positive at one end, negative at the other) share them unequally
Chemical bond
A union between the electron structures of two or more atoms or ions.
Electrons
Negatively charged unit of matter, with particulate and wavelike properties, that occupies one of the orbitals around the atomic nucleus. Atoms gain, lose, or share electrons
Evaporation
The conversion of a substance from a liquid state to a gaseous state by an input of heat energy