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Introductory Chemistry: A Foundati...

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

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Chapter
Section
BuyFindarrow_forward

Introductory Chemistry: A Foundati...

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

A metal ion with a 2+ charge contains 34 neutrons and 27 electrons. Identify the metal ion and determine its mass number.

Interpretation Introduction

Interpretation:

The metal ion and its mass number which has 2+ charge containing 34 neutrons and 27 electrons should be identified.

Concept Introduction:

The general atomic symbol of an element is:

A Z XC

Where A is mass number of an atom, Z is atomic number, X is the atomic symbol of an element, and C is charge which can be positive or negative.

The number of protons of an atom is equal to the atomic number of an atom. For a neutral atom, the number of protons and neutrons are same whereas the mass number of an atom is total sum of number of protons and neutrons of an atom.

Explanation

The general atomic symbol of an element is:

A Z XC

Where A is mass number of an atom, Z is atomic number, X is the atomic symbol of an element, and C is charge which can be positive or negative.

Number of protons = number of electrons + charge

Number of protons = 27 + 2

...

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