CHEMISTRY SPRING FINAL EXAM WITH ACCURATE ANSWERS

atomic mass - Answer-the weighted average of the masses of the isotopes of an element avogodros number - Answer-the number of representative particles contained in one mole of a substance; equal to 6.02 x 10 ^23 balanced equations - Answer-a chemical equation in which the mass is conserved; each side of the equation has has the same number of atoms of each element chemical equation - Answer-an expression representing a chemical reaction; the formulas of the reactants are connected by an arrow with the formulas for the products double covalent bond - Answer-two atoms show two pairs of electrons electron dot structure - Answer-notation that depicts valence electrons as dots around the atomic symbol of the element electronegativity - Answer-ability of an atom to attract electrons when the atom is in a compound empirical formula - Answer-a formula with the lowest whole number ratio of elements in a compound hydrogen bond - Answer-attractive forces in in which a hydrogen covalently bonded to an unshared electron pair of another electronegative atom ionic bond - Answer-electrostatic attraction that binds oppositely charged ions together ionization energy - Answer-the energy required to move an electron from an atom in its gaseous state molar mass - Answer-a term used to refer to the mass of a mole of any substance molar volume - Answer-volume occupied by one mole of gas at standard temperature and pressure mole (mol) - Answer-amount of a substance that contains 6..02 x 10 ^ 23 representative particles of that substance