BIOLOGY:CONCEPTS+INV>CUSTOM<
BIOLOGY:CONCEPTS+INV>CUSTOM<
18th Edition
ISBN: 9781307311655
Author: Hoefnagels
Publisher: MCG/CREATE
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Textbook Question
Chapter 2, Problem 1MCQ

A hydrogen ion (H+) has ____neutron(s)____proton(s), and____electron(s).

  1. a. 1; 0; 2
  2. b. 0; 1;0
  3. c. 0; 0; 1
  4. d. 1; 1;0
Expert Solution & Answer
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Summary Introduction

Introduction:

Neutron is neutral subatomic particles that are found in the nucleus of the atom. Protons are the positive particles that are found in the nucleus of the atom while electrons are the negative particles present outside the nucleus in an atom.

Answer to Problem 1MCQ

Correct answer:

Hydrogen ion has only one proton present in its nucleus. Therefore, option b is correct.

Explanation of Solution

Reason for correct statement:

Hydrogen atom has one proton and one electron present in it. It does not have any neutron in it. The hydrogen ion is formed when it loses its one electron. So the hydrogen ion has only one proton left.

Option b is given as “0; 1; 0”.

As, “hydrogen ion has one proton with zero electron and neutron,” is the right answer.

Hence, option b is correct.

Reasons for the incorrect statements:

Option a is given as “1; 0; 2”.

Hydrogen ion has zero neutrons. So, it is a wrong answer.

Option c is given as “0; 0; 1”.

Hydrogen ion has one proton present in its nucleus. So, it is a wrong answer.

Option d is given as “1; 1; 0”.

Hydrogen ion does not have neutron present in it. So, it is a wrong answer.

Hence, options a., c., and d. are incorrect.

Conclusion

The hydrogen atom loses one electron to form hydrogen ion. Hydrogen ion has only one proton left and does not have any electron or neutron.

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Chapter 2 Solutions

BIOLOGY:CONCEPTS+INV>CUSTOM<

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