Chemistry 9th Edition

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

Chapter 2 - Atoms, Molecules, and Ions - Questions - Page 73: 22


Atom consists subatomic particles like proton, neutron and electron

Work Step by Step

According to the modern view of the structure of the atom, atom consists a nucleus surrounded by a negatively charged particles called electrons. The nucleus contains protons and neutrons. A neutral atom has equal number of protons and neutrons.The number of protons in an atom determines its atomic number while the number of protons plus the number of neutrons account for the mass of the atom.
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