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Solved: How many protons and neutrons are in this nuclide?

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 54P Chapter 17

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 54P

How many protons and neutrons are in this nuclide?

Step-by-Step Solution:
Step 1 of 3

Answer :

This nucleus has 86 number of protons

Number of neutrons =219-86

                                  =138 neutrons .

Explanation:

Two numbers are used to identify a nucleus:

Atomic number -- number of just protons in the nucleus. The atomic number determines what an element is chemically, for the number of protons determines the number of electrons needed to balance the charges in an atom, which in turn determines the electron configuration the atom will adopt.

Mass number is the number of protons plus neutrons. This is roughly proportional to the total mass of the atom.

 Mass number is also a key property of atoms because we need to know the masses of atoms to understand how a given amount of material we weigh out will react .

That's why chemists commonly identify an isotope with the element, which implies its atomic number, and then the mass number.

Step 2 of 3

Chapter 17, Problem 54P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

The answer to “?How many protons and neutrons are in this nuclide?” is broken down into a number of easy to follow steps, and 9 words. Since the solution to 54P from 17 chapter was answered, more than 320 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 54P from chapter: 17 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. This full solution covers the following key subjects: Neutrons, nuclide, Protons. This expansive textbook survival guide covers 19 chapters, and 2046 solutions.

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Solved: How many protons and neutrons are in this nuclide?