Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 8 - Exercises - Page 376: 23


To write the electronic configuration of an element based on its position in periodic table, we need to check the noble gas preceding that element. After writing the symbol of the noble gas in brackets, we need to trace the position of the element along row. If it’s in first column, then there is one electron, if in second there are two electrons and so on.

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