The number of dots equals the number of valence electrons in the atom. By going through the periodic table, we see that the Lewis electron dot diagrams of atoms will never have more than eight dots around the atomic symbol. A Lewis electron dot diagram (or electron dot diagram, or a Lewis diagram, or a Lewis structure) is a representation of the valence electrons of an atom that uses dots around the symbol of the element. The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized. (a)The element with electron configuration: 1s 2 2s 2 2p 6 3s 2 3p 5 (b)A noble gases with f electrons (c) a fifth-period element whose atoms have three unpaired p electrons (d) First rowtransition metals having one 4s electron. The electron configurations of elements can tell so much about an elements behaviors, but the big hint that can be gathered from the periodic table is on how many valence electrons an element. With the next element, sodium, the process starts over with a single electron because sodium has a single electron in its highest-numbered shell, the n = 3 shell. Without using a periodic table or any other references, fill in the correct box in the periodic table with the letter of each question.
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