Periodic table bingo - state michigan, Periodic table of elements name symbol atomic number atomic mass clue hydrogen h 1 1 the lightest element, contains only a single proton, can lose or. Group (periodic table) - wikipedia, In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements. there are 18 numbered groups in the periodic. Oxidation numbers, It is often useful to follow chemical reactions by looking at changes in the oxidation numbers of the atoms in each compound during the reaction..
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