(a) Interpretation: The number of protons in Na + , K + , Ca 2+ and Mg 2+ ions needs to be determined. Concept introduction: In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Question

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Answer 1

Question

Chapter 3, Problem 3.91P

Interpretation Introduction

(a)

Interpretation:

The number of protons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(b)

Interpretation:

The number of electrons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(c)

Interpretation:

The noble gas having the same electron configurations as in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. This helps to indicate electrons and orbitals easily.

Interpretation Introduction

(d)

Interpretation:

The role of Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions in the body needs to be explained.

Concept introduction:

Ions play an important role in the body. Calcium, potassium, sodium, chloride, and copper ions are major ions and some key ions that participate in the body's electrical events.

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Students have asked these similar questions

Look up the following information for the element iridium: (i) number of protons, neutrons, and electrons; (ii) atomic number and average atomic mass; (iii) the charge of the anion(s) or cation(s) that it commonly forms; (iv) the mass of its two most common isotopes and the number of protons and neutrons in each one. Also, comment briefly on the presence of this element in meteorite craters and the significance of this observation.

Two radioactive isotopes of iodine used for the diagnosis and treatment of thyroid disease have mass numbers of 123 and 131. For each isotope, give the following information: (a) the number of protons; (b) the number of neutrons; (c) the number of electrons in the neutral atom; (d) the group number.

Identify the element with each atomic number, and give the number of protons and electrons in the neutral atom: (a) 2; (b) 11; (c) 20; (d) 47; (e) 78.

Answer 2

Question

Chapter 3, Problem 3.91P

Interpretation Introduction

(a)

Interpretation:

The number of protons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(b)

Interpretation:

The number of electrons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(c)

Interpretation:

The noble gas having the same electron configurations as in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. This helps to indicate electrons and orbitals easily.

Interpretation Introduction

(d)

Interpretation:

The role of Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions in the body needs to be explained.

Concept introduction:

Ions play an important role in the body. Calcium, potassium, sodium, chloride, and copper ions are major ions and some key ions that participate in the body's electrical events.

Expert Solution & Answer

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See solution

Answer 3

Question

Chapter 3, Problem 3.91P

Interpretation Introduction

(a)

Interpretation:

The number of protons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(b)

Interpretation:

The number of electrons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(c)

Interpretation:

The noble gas having the same electron configurations as in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. This helps to indicate electrons and orbitals easily.

Interpretation Introduction

(d)

Interpretation:

The role of Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions in the body needs to be explained.

Concept introduction:

Ions play an important role in the body. Calcium, potassium, sodium, chloride, and copper ions are major ions and some key ions that participate in the body's electrical events.

Expert Solution & Answer

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Answer 4

Question

Chapter 3, Problem 3.91P

Interpretation Introduction

(a)

Interpretation:

The number of protons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(b)

Interpretation:

The number of electrons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(c)

Interpretation:

The noble gas having the same electron configurations as in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. This helps to indicate electrons and orbitals easily.

Interpretation Introduction

(d)

Interpretation:

The role of Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions in the body needs to be explained.

Concept introduction:

Ions play an important role in the body. Calcium, potassium, sodium, chloride, and copper ions are major ions and some key ions that participate in the body's electrical events.

Expert Solution & Answer

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See solution

Answer 5

Chapter 3, Problem 3.91P

Interpretation Introduction

(a)

Interpretation:

The number of protons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(b)

Interpretation:

The number of electrons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Interpretation Introduction

(c)

Interpretation:

The noble gas having the same electron configurations as in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. This helps to indicate electrons and orbitals easily.

Interpretation Introduction

(d)

Interpretation:

The role of Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions in the body needs to be explained.

Concept introduction:

Ions play an important role in the body. Calcium, potassium, sodium, chloride, and copper ions are major ions and some key ions that participate in the body's electrical events.

Answer 6

Chapter 3, Problem 3.91P

Interpretation Introduction

(a)

Interpretation:

The number of protons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Answer 7

Chapter 3, Problem 3.91P

Interpretation Introduction

(a)

Interpretation:

The number of protons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The number of electrons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The number of electrons in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

In an atom, number of protons and electrons can be calculated from atomic number and mass number. The atomic number is equal to the number of protons and electrons present in the neutral atom. The mass number is sum of number of neutrons and protons in the nucleus of an atom.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The noble gas having the same electron configurations as in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. This helps to indicate electrons and orbitals easily.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The noble gas having the same electron configurations as in Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions needs to be determined.

Concept introduction:

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. This helps to indicate electrons and orbitals easily.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The role of Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions in the body needs to be explained.

Concept introduction:

Ions play an important role in the body. Calcium, potassium, sodium, chloride, and copper ions are major ions and some key ions that participate in the body's electrical events.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The role of Na⁺, K⁺, Ca²⁺ and Mg²⁺ ions in the body needs to be explained.

Concept introduction:

Ions play an important role in the body. Calcium, potassium, sodium, chloride, and copper ions are major ions and some key ions that participate in the body's electrical events.

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

Ch. 3.1 - Predict whether the bonds in the following species...Ch. 3.1 - (a) Classify each example of molecular art as a...Ch. 3.1 - Label each of the following as a compound,...Ch. 3.1 - Vitamin C has the chemical formula C6H8O6. Even if...Ch. 3.2 - Prob. 3.5P Ch. 3.2 - Write the ion symbol for an atom with the given...Ch. 3.2 - How many protons and electrons are present in each...Ch. 3.2 - Prob. 3.8P Ch. 3.2 - Prob. 3.9P Ch. 3.2 - How many electrons and protons are contained in...

Solution Summary: The author explains that number of protons and electrons can be calculated from atomic number and mass number.

Concept explainers

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Chapter 3 Solutions

Solution Summary: The author explains that number of protons and electrons can be calculated from atomic number and mass number.

Concept explainers

(d) Interpretation: The role of Na+, K+, Ca2+ and Mg2+ ions in the body needs to be explained. Concept introduction: Ions play an important role in the body. Calcium, potassium, sodium, chloride, and copper ions are major ions and some key ions that participate in the body's electrical events.

Want to see the full answer?

Chapter 3 Solutions