Chemistry: The Science in Context (4th Edition)

Published by W.W. Norton & Co.
ISBN 10: 0393124177
ISBN 13: 978-0-39312-417-0

Chapter 2 - Atoms, Molecules, and Ions: Matter Starts Here - Problems - Page 70: 42



Work Step by Step

Option (b) is incorrect. Br (bromine) is a nonmetal. Option (c) is incorrect. Ca (calcium) is a metal. Option (d) is incorrect. Ru (ruthenium) is a transition metal. Option (a) is correct. Si (silicon) is a metalloid.
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.