Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises: 59

Answer

(a) Na (b) F (c) O

Work Step by Step

(a) As given that there are 11 protons and 12 neutrons so atomic number is 11 and mass number is 23 which means that it is sodium denoted by the symbol $Na$ (b) As given that there are 9 protons and 10 neutrons so atomic number is 9 and mass number is 19 which means that it is Fluorine denoted by the symbol $F$ (c) As given that there are 8 protons and 8 neutrons so atomic number is 8 and mass number is 16 which means that it is Oxygen denoted by the symbol $O$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.