To counter the argument: “It is ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment.” Concept introduction: The chemical reactivity of an element is determined by the presence of unpaired electrons in the outermost shell (or valence cell) and the electrons present in it are called valence electrons. An atom can be chemically inert if they have fulfilled the outermost valence shell. The emergent properties are owing to the arrangement and contacts of atoms or groups of atoms. The properties of compounds are different from the individual elements from which it has formed. A compound is formed by the interaction of two or more dissimilar elements in a definite ratio.

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Answer 1

Question

Chapter 2, Problem 12TYU

Summary Introduction

To counter the argument: “It is ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment.”

Concept introduction: The chemical reactivity of an element is determined by the presence of unpaired electrons in the outermost shell (or valence cell) and the electrons present in it are called valence electrons. An atom can be chemically inert if they have fulfilled the outermost valence shell. The emergent properties are owing to the arrangement and contacts of atoms or groups of atoms. The properties of compounds are different from the individual elements from which it has formed. A compound is formed by the interaction of two or more dissimilar elements in a definite ratio.

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Answer 2

Question

Chapter 2, Problem 12TYU

Summary Introduction

To counter the argument: “It is ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment.”

Concept introduction: The chemical reactivity of an element is determined by the presence of unpaired electrons in the outermost shell (or valence cell) and the electrons present in it are called valence electrons. An atom can be chemically inert if they have fulfilled the outermost valence shell. The emergent properties are owing to the arrangement and contacts of atoms or groups of atoms. The properties of compounds are different from the individual elements from which it has formed. A compound is formed by the interaction of two or more dissimilar elements in a definite ratio.

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Answer 3

Question

Chapter 2, Problem 12TYU

Summary Introduction

To counter the argument: “It is ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment.”

Concept introduction: The chemical reactivity of an element is determined by the presence of unpaired electrons in the outermost shell (or valence cell) and the electrons present in it are called valence electrons. An atom can be chemically inert if they have fulfilled the outermost valence shell. The emergent properties are owing to the arrangement and contacts of atoms or groups of atoms. The properties of compounds are different from the individual elements from which it has formed. A compound is formed by the interaction of two or more dissimilar elements in a definite ratio.

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Answer 4

Question

Chapter 2, Problem 12TYU

Summary Introduction

To counter the argument: “It is ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment.”

Concept introduction: The chemical reactivity of an element is determined by the presence of unpaired electrons in the outermost shell (or valence cell) and the electrons present in it are called valence electrons. An atom can be chemically inert if they have fulfilled the outermost valence shell. The emergent properties are owing to the arrangement and contacts of atoms or groups of atoms. The properties of compounds are different from the individual elements from which it has formed. A compound is formed by the interaction of two or more dissimilar elements in a definite ratio.

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Answer 5

Chapter 2, Problem 12TYU

Summary Introduction

To counter the argument: “It is ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment.”

Concept introduction: The chemical reactivity of an element is determined by the presence of unpaired electrons in the outermost shell (or valence cell) and the electrons present in it are called valence electrons. An atom can be chemically inert if they have fulfilled the outermost valence shell. The emergent properties are owing to the arrangement and contacts of atoms or groups of atoms. The properties of compounds are different from the individual elements from which it has formed. A compound is formed by the interaction of two or more dissimilar elements in a definite ratio.

Answer 6

Chapter 2, Problem 12TYU

Summary Introduction

To counter the argument: “It is ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment.”

Concept introduction: The chemical reactivity of an element is determined by the presence of unpaired electrons in the outermost shell (or valence cell) and the electrons present in it are called valence electrons. An atom can be chemically inert if they have fulfilled the outermost valence shell. The emergent properties are owing to the arrangement and contacts of atoms or groups of atoms. The properties of compounds are different from the individual elements from which it has formed. A compound is formed by the interaction of two or more dissimilar elements in a definite ratio.

Answer 7

Chapter 2, Problem 12TYU

Summary Introduction

To counter the argument: “It is ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment.”

Concept introduction: The chemical reactivity of an element is determined by the presence of unpaired electrons in the outermost shell (or valence cell) and the electrons present in it are called valence electrons. An atom can be chemically inert if they have fulfilled the outermost valence shell. The emergent properties are owing to the arrangement and contacts of atoms or groups of atoms. The properties of compounds are different from the individual elements from which it has formed. A compound is formed by the interaction of two or more dissimilar elements in a definite ratio.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 2.1 - MAKE CONNECTIONS Explain how table salt has...Ch. 2.1 - Is a trace element an essential element? Explain.Ch. 2.1 - Prob. 3CC Ch. 2.1 - MAKE CONNECTIONS Explain how natural selection...Ch. 2.2 - Prob. 1CC Ch. 2.2 - A nitrogen atom has 7 protons, and the most common...Ch. 2.2 - Prob. 3CC Ch. 2.2 - Prob. 4CC Ch. 2.3 - Why does the structure H C = C H fail to make...Ch. 2.3 - What holds the atoms together in a crystal of...

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