Molecular compounds consist of: a. atoms of nonmetals bonded together by covalent bonds. b. ions held together...
Molecular compounds consist of:
| a. |
atoms of nonmetals bonded together by covalent bonds. |
|
| b. |
ions held together by electrostatic forces. |
|
| c. |
metal atoms in a crystalline network that share electrons among many atoms. |
|
| d. |
both b and c |
Homework Answers
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Molecular compounds consist of:
a.
atoms of nonmetals bonded
together by covalent bonds.
b.
ions held together...
19. Which of the following statements regarding ionic compounds is correct? A) Ions are held together...
19. Which of the following statements regarding ionic compounds is correct? A) Ions are held together in an ionic lattice by covalent bonds. B) The crystal structure of a given compound does not depend on the sizes and number of ions in a formula unit of the compound. C) Ionic compounds tend to have low melting points. D) Ionic compounds are formed when two metals react. E) In forming an ionic compound from its elements, one element transfers one or...
Describe the diference between ionic and molecular compounds. Give an example of each Check all that...
Describe the diference between ionic and molecular compounds. Give an example of each Check all that apply. An ionic compound is usually formed between two or more nonmetals, and is held together through the sharing of electrons between atoms. An example is COp An ionic compound is formed between two or more metals, and is held together through the aftraction of opposite charges. An example is NagAlL O A molecular compound is usually formed between two or more nonmetals, and...
A crystalline solid has a high melting point and is known to be held together with...
A crystalline solid has a high melting point and is known to be held together with covalent bonds. This solid is an example of _____. A. A network covalent solid B. An ionic solid C. A metallic solid D. A molecular solid
20. How do atoms achieve noble-gas electron configurations in single covalent bonds? a. One atom completely...
20. How do atoms achieve noble-gas electron configurations in single covalent bonds? a. One atom completely loses two electrons to the other atom in the bond. b. Two atoms share two pairs of electrons. C. Two atoms share two electrons. d. Two atoms share one electron 21. Why do atoms share electrons in covalent bonds? a to become ions and attract each other b. to attain a noble-gas electron configuration c. to become more polar d. to increase their atomic...
Q10. Highlight in the following colours the correct descriptions of: metallic bonds, covalent bonds and ionic...
Q10. Highlight in the following colours the correct descriptions of: metallic bonds, covalent bonds and ionic bonds A. Sharing of valence electrons B. Magnetic dipole forces C. Repulsion between ions being shielded by a valence electron cloud D. Exchange of an electron between two atoms E. Electrostatic attraction between a proton and the electron cloud of a F atom
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bo...
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bonds d. Gyrases 19. How many hydrogen bonds between Adenine and Thymine? a. b. 2 c. 3 d. 4 20. How many hydrogen bonds between Cytosine and Guanine? b. 2 d. 4 21. Which ones are weaker? a. Hydrogen bonds b. Covalent bonds 22. The nature of the double helix is that it is: a. Parallel arranged b. Perpendicularly arranged c. Antiparallel arranged...
Which statement below regarding ionic compounds is FALSE? Question 5 options: Ions are held together by...
Which statement below regarding ionic compounds is FALSE? Question 5 options: Ions are held together by shared pairs of electrons. Oppositely charged ions collect together in part because isolated ions are not stable. Oppositely charged ions arrange themselves to minimize repulsions and maximize attractions. The energy associated with an ionic bond is a form of electrostatic potential energy. The net charge of an ionic compound is zero. Which statement regarding a pi-bond between two carbon atoms is correct? Question 6...
part (b). In these compounds the atoms are bonded to one central atom: CIFO S (a)...
part (b). In these compounds the atoms are bonded to one central atom: CIFO S (a) Following the approach of Lecture 11, correctly calculate the number of electrons around the central atoms. 2. CLI ClOSej (Note: you will lose all points if use a different approach). ) Predict the best arrangements of the e pairs to minimize repulsions to any lone-pairs and/or multiple bonds, then sketch a clear correct structure for each compound. Show unambiguously bonds in and out of...
6. Predict whether each of the following is held together by ionic or covalent bonds. (a)...
6. Predict whether each of the following is held together by ionic or covalent bonds. (a) zinc bromide, ZnBr2 (b) ammonia, NH3 (c) iodine heptafluoride, IF, (d) lead(II) sulfate, PbSO4 cu
6. Predict whether each of the following is held together by ionic or covalent bonds. a. zinc bromide, Bry b. ammon...
6. Predict whether each of the following is held together by ionic or covalent bonds. a. zinc bromide, Bry b. ammonia, Nug c. iodine heptafluoride, p, d. lead(II) sulfate, P.So
19. Which of the following statements regarding ionic compounds is correct? A) Ions are held together in an ionic lattice by covalent bonds. B) The crystal structure of a given compound does not depend on the sizes and number of ions in a formula unit of the compound. C) Ionic compounds tend to have low melting points. D) Ionic compounds are formed when two metals react. E) In forming an ionic compound from its elements, one element transfers one or...
Describe the diference between ionic and molecular compounds. Give an example of each Check all that apply. An ionic compound is usually formed between two or more nonmetals, and is held together through the sharing of electrons between atoms. An example is COp An ionic compound is formed between two or more metals, and is held together through the aftraction of opposite charges. An example is NagAlL O A molecular compound is usually formed between two or more nonmetals, and...
20. How do atoms achieve noble-gas electron configurations in single covalent bonds? a. One atom completely loses two electrons to the other atom in the bond. b. Two atoms share two pairs of electrons. C. Two atoms share two electrons. d. Two atoms share one electron 21. Why do atoms share electrons in covalent bonds? a to become ions and attract each other b. to attain a noble-gas electron configuration c. to become more polar d. to increase their atomic...
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bonds d. Gyrases 19. How many hydrogen bonds between Adenine and Thymine? a. b. 2 c. 3 d. 4 20. How many hydrogen bonds between Cytosine and Guanine? b. 2 d. 4 21. Which ones are weaker? a. Hydrogen bonds b. Covalent bonds 22. The nature of the double helix is that it is: a. Parallel arranged b. Perpendicularly arranged c. Antiparallel arranged...
part (b). In these compounds the atoms are bonded to one central atom: CIFO S (a) Following the approach of Lecture 11, correctly calculate the number of electrons around the central atoms. 2. CLI ClOSej (Note: you will lose all points if use a different approach). ) Predict the best arrangements of the e pairs to minimize repulsions to any lone-pairs and/or multiple bonds, then sketch a clear correct structure for each compound. Show unambiguously bonds in and out of...
6. Predict whether each of the following is held together by ionic or covalent bonds. (a) zinc bromide, ZnBr2 (b) ammonia, NH3 (c) iodine heptafluoride, IF, (d) lead(II) sulfate, PbSO4 cu
6. Predict whether each of the following is held together by ionic or covalent bonds. a. zinc bromide, Bry b. ammonia, Nug c. iodine heptafluoride, p, d. lead(II) sulfate, P.So
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