A substance that ____ is considered to be a chemical compound. a. contains at least two different elements b. contains at least two atoms c. has a chemical bond d. has a stable valence shell e. has covalent bonds

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Answer 1

Textbook Question

Chapter 2, Problem 1TYR

A substance that ____ is considered to be a chemical compound.

a. contains at least two different elements
b. contains at least two atoms
c. has a chemical bond
d. has a stable valence shell
e. has covalent bonds

Expert Solution & Answer

Summary Introduction

Introduction:

Substances are made up of chemical components that are composed of either the same elements or different elements. It may be in different forms such as solid, liquid, and gaseous state.

Answer to Problem 1TYR

Correct answer:

A substance that contains at least two different elements is considered to be a chemical compound. Therefore, option a is correct.

Explanation of Solution

Justify reasons for the correct statement:

Substances that are composed of two or more different elements are said to be chemical compounds. Option (a) is given as “contains at least two different elements”. Hence, option (a) is correct.

Justify reasons for the incorrect statements:

Option (b) is given as “contains at least two atoms”, it is said to be diatomic in nature. Hence, it is a wrong answer.

Option (c) is given as “has a chemical bond” all atoms are joined by a chemical bond. Hence, it is a wrong answer.

Option (d) is given as “has a stable valence shell”. It is the outermost orbital of an atom. Hence, it is a wrong answer.

Option (e) is given as “has covalent bond”. It is defined as the chemical bond that shares two electrons of two different atoms. Hence, it is a wrong answer.

Hence, options (b), (c), (d), and (e) are incorrect.

Conclusion

Substances are made up of at least two different elements in a chemical component. Elements are linked by chemical bonds with different atoms. Substances may be in three different phases.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Textbook Question

Chapter 2, Problem 1TYR

A substance that ____ is considered to be a chemical compound.

a. contains at least two different elements
b. contains at least two atoms
c. has a chemical bond
d. has a stable valence shell
e. has covalent bonds

Expert Solution & Answer

Summary Introduction

Introduction:

Substances are made up of chemical components that are composed of either the same elements or different elements. It may be in different forms such as solid, liquid, and gaseous state.

Answer to Problem 1TYR

Correct answer:

A substance that contains at least two different elements is considered to be a chemical compound. Therefore, option a is correct.

Explanation of Solution

Justify reasons for the correct statement:

Substances that are composed of two or more different elements are said to be chemical compounds. Option (a) is given as “contains at least two different elements”. Hence, option (a) is correct.

Justify reasons for the incorrect statements:

Option (b) is given as “contains at least two atoms”, it is said to be diatomic in nature. Hence, it is a wrong answer.

Option (c) is given as “has a chemical bond” all atoms are joined by a chemical bond. Hence, it is a wrong answer.

Option (d) is given as “has a stable valence shell”. It is the outermost orbital of an atom. Hence, it is a wrong answer.

Option (e) is given as “has covalent bond”. It is defined as the chemical bond that shares two electrons of two different atoms. Hence, it is a wrong answer.

Hence, options (b), (c), (d), and (e) are incorrect.

Conclusion

Substances are made up of at least two different elements in a chemical component. Elements are linked by chemical bonds with different atoms. Substances may be in three different phases.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Textbook Question

Chapter 2, Problem 1TYR

A substance that ____ is considered to be a chemical compound.

a. contains at least two different elements
b. contains at least two atoms
c. has a chemical bond
d. has a stable valence shell
e. has covalent bonds

Expert Solution & Answer

Summary Introduction

Introduction:

Substances are made up of chemical components that are composed of either the same elements or different elements. It may be in different forms such as solid, liquid, and gaseous state.

Answer to Problem 1TYR

Correct answer:

A substance that contains at least two different elements is considered to be a chemical compound. Therefore, option a is correct.

Explanation of Solution

Justify reasons for the correct statement:

Substances that are composed of two or more different elements are said to be chemical compounds. Option (a) is given as “contains at least two different elements”. Hence, option (a) is correct.

Justify reasons for the incorrect statements:

Option (b) is given as “contains at least two atoms”, it is said to be diatomic in nature. Hence, it is a wrong answer.

Option (c) is given as “has a chemical bond” all atoms are joined by a chemical bond. Hence, it is a wrong answer.

Option (d) is given as “has a stable valence shell”. It is the outermost orbital of an atom. Hence, it is a wrong answer.

Option (e) is given as “has covalent bond”. It is defined as the chemical bond that shares two electrons of two different atoms. Hence, it is a wrong answer.

Hence, options (b), (c), (d), and (e) are incorrect.

Conclusion

Substances are made up of at least two different elements in a chemical component. Elements are linked by chemical bonds with different atoms. Substances may be in three different phases.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 2, Problem 1TYR

A substance that ____ is considered to be a chemical compound.

a. contains at least two different elements
b. contains at least two atoms
c. has a chemical bond
d. has a stable valence shell
e. has covalent bonds

Expert Solution & Answer

Summary Introduction

Introduction:

Substances are made up of chemical components that are composed of either the same elements or different elements. It may be in different forms such as solid, liquid, and gaseous state.

Answer to Problem 1TYR

Correct answer:

A substance that contains at least two different elements is considered to be a chemical compound. Therefore, option a is correct.

Explanation of Solution

Justify reasons for the correct statement:

Substances that are composed of two or more different elements are said to be chemical compounds. Option (a) is given as “contains at least two different elements”. Hence, option (a) is correct.

Justify reasons for the incorrect statements:

Option (b) is given as “contains at least two atoms”, it is said to be diatomic in nature. Hence, it is a wrong answer.

Option (c) is given as “has a chemical bond” all atoms are joined by a chemical bond. Hence, it is a wrong answer.

Option (d) is given as “has a stable valence shell”. It is the outermost orbital of an atom. Hence, it is a wrong answer.

Option (e) is given as “has covalent bond”. It is defined as the chemical bond that shares two electrons of two different atoms. Hence, it is a wrong answer.

Hence, options (b), (c), (d), and (e) are incorrect.

Conclusion

Substances are made up of at least two different elements in a chemical component. Elements are linked by chemical bonds with different atoms. Substances may be in three different phases.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

Substances are made up of chemical components that are composed of either the same elements or different elements. It may be in different forms such as solid, liquid, and gaseous state.

Answer to Problem 1TYR

Correct answer:

A substance that contains at least two different elements is considered to be a chemical compound. Therefore, option a is correct.

Explanation of Solution

Justify reasons for the correct statement:

Substances that are composed of two or more different elements are said to be chemical compounds. Option (a) is given as “contains at least two different elements”. Hence, option (a) is correct.

Justify reasons for the incorrect statements:

Option (b) is given as “contains at least two atoms”, it is said to be diatomic in nature. Hence, it is a wrong answer.

Option (c) is given as “has a chemical bond” all atoms are joined by a chemical bond. Hence, it is a wrong answer.

Option (d) is given as “has a stable valence shell”. It is the outermost orbital of an atom. Hence, it is a wrong answer.

Option (e) is given as “has covalent bond”. It is defined as the chemical bond that shares two electrons of two different atoms. Hence, it is a wrong answer.

Hence, options (b), (c), (d), and (e) are incorrect.

Conclusion

Substances are made up of at least two different elements in a chemical component. Elements are linked by chemical bonds with different atoms. Substances may be in three different phases.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

Substances are made up of chemical components that are composed of either the same elements or different elements. It may be in different forms such as solid, liquid, and gaseous state.

Answer to Problem 1TYR

Correct answer:

A substance that contains at least two different elements is considered to be a chemical compound. Therefore, option a is correct.

Explanation of Solution

Justify reasons for the correct statement:

Substances that are composed of two or more different elements are said to be chemical compounds. Option (a) is given as “contains at least two different elements”. Hence, option (a) is correct.

Justify reasons for the incorrect statements:

Option (b) is given as “contains at least two atoms”, it is said to be diatomic in nature. Hence, it is a wrong answer.

Option (c) is given as “has a chemical bond” all atoms are joined by a chemical bond. Hence, it is a wrong answer.

Option (d) is given as “has a stable valence shell”. It is the outermost orbital of an atom. Hence, it is a wrong answer.

Option (e) is given as “has covalent bond”. It is defined as the chemical bond that shares two electrons of two different atoms. Hence, it is a wrong answer.

Hence, options (b), (c), (d), and (e) are incorrect.

Conclusion

Substances are made up of at least two different elements in a chemical component. Elements are linked by chemical bonds with different atoms. Substances may be in three different phases.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

Substances are made up of chemical components that are composed of either the same elements or different elements. It may be in different forms such as solid, liquid, and gaseous state.

Answer 12

Answer to Problem 1TYR

Correct answer:

A substance that contains at least two different elements is considered to be a chemical compound. Therefore, option a is correct.

Answer 13

Explanation of Solution

Justify reasons for the correct statement:

Substances that are composed of two or more different elements are said to be chemical compounds. Option (a) is given as “contains at least two different elements”. Hence, option (a) is correct.

Justify reasons for the incorrect statements:

Option (b) is given as “contains at least two atoms”, it is said to be diatomic in nature. Hence, it is a wrong answer.

Option (c) is given as “has a chemical bond” all atoms are joined by a chemical bond. Hence, it is a wrong answer.

Option (d) is given as “has a stable valence shell”. It is the outermost orbital of an atom. Hence, it is a wrong answer.

Option (e) is given as “has covalent bond”. It is defined as the chemical bond that shares two electrons of two different atoms. Hence, it is a wrong answer.

Hence, options (b), (c), (d), and (e) are incorrect.

Answer 14

Conclusion

Substances are made up of at least two different elements in a chemical component. Elements are linked by chemical bonds with different atoms. Substances may be in three different phases.

Answer 15

Ch. 2.1 - The definition of chemical element; the six most...Ch. 2.1 - The structure of an atom and the special...Ch. 2.1 - Prob. 3AYLO Ch. 2.1 - Prob. 4AYLO Ch. 2.1 - Prob. 5AYLO Ch. 2.1 - Prob. 6AYLO Ch. 2.1 - Prob. 7AYLO Ch. 2.1 - Prob. 8AYLO Ch. 2.1 - Hew isomers resemble and differ from each other Ch. 2.1 - Prob. 10AYLO

A substance that ____ is considered to be a chemical compound. a. contains at least two different elements b. contains at least two atoms c. has a chemical bond d. has a stable valence shell e. has covalent bonds

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Answer to Problem 1TYR

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