   Chapter 2, Problem 5PS

Chapter
Section
Textbook Problem

Give the complete symbol ( Z A X ) , including atomic number and mass number, for each of the following atoms: (a) magnesium with 15 neutrons, (b) titanium with 26 neutrons, and (c) zinc with 32 neutrons.

(a)

Interpretation Introduction

Interpretation:

For the given atom, the complete symbol including atomic number and mass number has to be determined.

Concept introduction:

Magnesium atom has 15 neutrons and 12 protons, thereby the mass number and atomic number of magnesium is 27 and 12 respectively.

Titanium atom has 26 neutrons and 22 protons, thereby the mass number and atomic number of Titanium is 48 and 22 respectively.

Zinc atom has 32 neutrons and 30 protons, thereby the mass number and atomic number of magnesium is 62 and 30 respectively.

The symbol of an atom is represented by,

AAtomicnumberMass numbertomic symbol

Explanation

The complete symbol of an atom is represented by,

AAtomicnumberMass numbertomic symbol

(b)

Interpretation Introduction

Interpretation:

For the given atom, the complete symbol including atomic number and mass number has to be determined.

Concept introduction:

Magnesium atom has 15 neutrons and 12 protons, thereby the mass number and atomic number of magnesium is 27 and 12 respectively.

Titanium atom has 26 neutrons and 22 protons, thereby the mass number and atomic number of Titanium is 48 and 22 respectively.

Zinc atom has 32 neutrons and 30 protons, thereby the mass number and atomic number of magnesium is 62 and 30 respectively.

The symbol of an atom is represented by,

AAtomicnumberMass numbertomic symbol

(c)

Interpretation Introduction

Interpretation:

For the given atom, the complete symbol including atomic number and mass number has to be determined.

Concept introduction:

Magnesium atom has 15 neutrons and 12 protons, thereby the mass number and atomic number of magnesium is 27 and 12 respectively.

Titanium atom has 26 neutrons and 22 protons, thereby the mass number and atomic number of Titanium is 48 and 22 respectively.

Zinc atom has 32 neutrons and 30 protons, thereby the mass number and atomic number of magnesium is 62 and 30 respectively.

The symbol of an atom is represented by,

AAtomicnumberMass numbertomic symbol

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