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The atomic mass of an element whose atoms consist of eight protons, nine neutrons, and eight electrons is:
The reactivity of an atom is due to the number and arrangement of ______ in the outer energy level.
_________ _______ are the result of an atom attempting to rearrange its configuration to result in a stable octet.
are compounds that produce H+ ions in solution. A substance which yields an anion plus a proton is a(n)
The bonds that link many water molecules together to form a water drop are _______. The weak type of bonding which attracts molecules to molecules is ______.
A substance that helps a reaction to take place, but does not participate in the reaction is called a
NH3 + H2O -------->NH4OH occurs when a molecule is formed from the bonding of atoms, ions or simpler molecules.
H2SO4 + 2KOH --------->K2SO4 + 2H2O reaction occurs when the bonds of the reacting compounds are broken and new combinations are formed. Acid + base yields salt + water
decomposition using water. Carbohydrates are converted to energy by the process of ________.
carry the genetic codes which determine the structure and function of an organic compound
When compounds which are formed from _____ bonds decompose, the products are usually ions of the original elements
Large organic molecules which are synthesized from multiple identical subunits are carbohydrates, proteins, nucleic acids, and _______
Protein catalysts which cause reactions to occur at temperatures and pH values which are common to living cells are called _______. Are produced within an active cell. An organism can NOT live without ______. A catalyst for chemical reactions in biological systems is called an _______.
Nonprotein substances (such as vitamins and some metal ions) which need to be present for enzymes to function are called
A chemical compound in which each molecule is made up of two or more simpler molecules strung together.
A large complex organic molecule consisting of a large number of amino acids linked together by peptide bonds.
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