Campbell Biology: Concepts & Connections (9th Edition)

Published by Pearson
ISBN 10: 0-13429-601-X
ISBN 13: 978-0-13429-601-2

Chapter 2 - Review - Page 35: 8

Answer

A) protons and neutrons

Work Step by Step

Electrons (-) form a cloud around the outside of the nucleus because they are attracted to the protons(+) that are inside of the nucleus. Neutrons are also in the nucleus, although they are not charged.
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