Organic Chemistry (8th Edition)

Published by Pearson
ISBN 10: 0321768418
ISBN 13: 978-0-32176-841-4

Chapter 1 - Introduction and Review - Study Problems: 1-21 b

Answer

Oxygen

Work Step by Step

Add the superscripts. The name of the element can be identified with the number of protons. The sum of superscripts corresponds to the number of electrons and since in a neutral atom the number of electrons and protons is the same, that tells us the name of the element. In this electronic configuration, the sum of super scripts ($1s^22s^22p^4$) is 8 and the element with 8 protons is Oxygen.
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