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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem

Which scientist discovered that the nuclei of most atoms contain neutrons as well as protons?

Interpretation Introduction

Interpretation:

Determine which scientist discovered that the nuclei of most atoms contain neutrons as well as protons.

Concept Introduction:

The atomic symbol notation is as follows:

 Atomic number,  ZMass number,  AAtomic SymbolCharge,  +/

Here A = mass number which is equal to the total number of protons + number of neutrons, Z = atomic number of any element which is also indicates Number of protons or number of electron in the given atom.

The charge of an ion is showed by + or − sign on the right side super script.

Explanation

In 1932 James Chadwick was able to show that most of the nuclei contain a neutral particle with the proton. This neutral particle name is neutron which is slightly heavy than a proton and does has any charge means neutral in nature.

Proton:

  1. Protons are found in the nucleus of any elements.
  2. Protons have a positive electrical charge of one (+1).
  3. Proton is attracted to the electrons.
  4. Protons has a mass about the same as a neutron which ismp=1.672×1027 kg

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