   Chapter 2, Problem 6PS

Chapter
Section
Textbook Problem

Give the complete symbol ( Z A X ) , including atomic number and mass number, of (a) a nickel atom with 31 neutrons, (b) a plutonium atom with 150 neutrons, and (c) a tungsten atom with 110 neutrons.

(a)

Interpretation Introduction

Interpretation:

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

Concept introduction:

Nickel atom has 31 neutrons and 28 protons, thereby the mass number and atomic number of Nickel is 59 and 28 respectively.

Plutonium atom has 150 neutrons and 94 protons, thereby the mass number and atomic number of Plutonium is 244 and 94 respectively.

Tungsten atom has 110 neutrons and 74 protons, thereby the mass number and atomic number of Tungsten is 184 and 74 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 has to be determined.

Concept introduction:

Nickel atom has 31 neutrons and 28 protons, thereby the mass number and atomic number of Nickel is 59 and 28 respectively.

Plutonium atom has 150 neutrons and 94 protons, thereby the mass number and atomic number of Plutonium is 244 and 94 respectively.

Tungsten atom has 110 neutrons and 74 protons, thereby the mass number and atomic number of Tungsten is 184 and 74 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 has to be determined.

Concept introduction:

Nickel atom has 31 neutrons and 28 protons, thereby the mass number and atomic number of Nickel is 59 and 28 respectively.

Plutonium atom has 150 neutrons and 94 protons, thereby the mass number and atomic number of Plutonium is 244 and 94 respectively.

Tungsten atom has 110 neutrons and 74 protons, thereby the mass number and atomic number of Tungsten is 184 and 74 respectively.

The symbol of an atom is represented by,

AAtomicnumberMass numbertomic symbol

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