Answer
+2
Work Step by Step
$Ca:[Ar]4s^{2}$
The atomic number for argon is 18, which means there are $S=18$ electrons.
$Z_{eff}$$=$$Z-S$$=20-18$$=+2$
Chemistry: A Molecular Approach (3rd Edition)
by Tro, Nivaldo J.
Published by
Prentice Hall
ISBN 10:
0321809246
ISBN 13:
978-0-32180-924-7
Chapter 8 - Sections 8.1-8.9 - Exercises - Problems by Topic - Page 376: 59b
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
