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Chemistry / Introductory Chemistry 5 / Chapter 4 / Problem 25Q

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

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What notations are commonly used to specify isotopes?What do each of the numbers in

Chapter 4, Problem 25Q

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QUESTION:

What notations are commonly used to specify isotopes? What do each of the numbers in these symbols mean?

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QUESTION:

What notations are commonly used to specify isotopes? What do each of the numbers in these symbols mean?

ANSWER:

Solution 25Q

Here, we are going to discuss about the isotopes.

Mass Number: The sum of the number of protons and neutrons in an atom is called its mass number. This is denoted by A.

Atomic number: The number of protons present in the nucleus in an atom is called its atomic number. It is denoted by Z.

When atoms have same atomic number but different mass number are called isotopes. Isotopes can be symbolized by using the following notation.

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