Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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Question
Helping
Name:
Tamer Alsomen
1. The table below shows properties of two compounds at standard pressure.
Selected Properties of Two Compounds
Compound Melting Point Boiling Point
(°C)
(°C)
1935
1
775
2
-112.1
46
Which statement classifies the two compounds?
A) Both compounds are ionic.
B) Both compounds are molecular.
C) Compound 1 is ionic, and compound 2 is molecular.
D) Compound 1 is molecular, and compound 2 is ionic:
2. Which element has the lowest electronegativity
value?
Electrical Conductivity
good as a liquid or in
an aqueous solution
poor as a liquid
A) F
B) Fr C) CI D) Cr
3. What is the most likely electronegativity value for a
metallic element?
A) 1.3 B) 2.7
C) 3.4
D) 4.0
4. When an atom of hydrogen and an atom of chlorine
combine to form a molecule of hydrogen chloride, a
bond is
A) formed as energy is absorbed
B) formed as energy is released
C) broken as energy is absorbed
D) broken as energy is released
5. Krypton atoms in the ground state tend not to bond
with other atoms because their
A) second electron shell contains eight electrons
B) third electron shell contains eighteen electrons
C) innermost electron shell contains two electrons
D) outermost electron shell contains eight electrons
6. Which substance has nonpolar covalent bonds?
A) Cl2 B) SO3 C) SiO2 D) CCl4
8. How many electrons are shared in a triple bond
between two atoms?
A) 6
D) 4
B) 2 C) 3
9. Which element reacts with oxygen to f
bonds?
7. The chemical bond between which two atoms is most
polar?
A) C-N B) H-H C) S-CI D) Si-O
B) hydrogen
D) nitrogen
10. Given the equation representing a reaction:
Cl₂ →Cl + Cl
A) calcium
C) chlorine
What occurs during this reaction?
A) Energy is released as a bond is broken.
B) Energy is released as a bond is formed.
C) Energy is absorbed as a bond is broken.
D) Energy is absorbed as a bond is formed.
11. Which element has metallic bonds at room
temperature?
A) bromine
C) krypton
B) cesium
D) sulfur
12. Element Y reacts with chlorine to form an ionic
compound that has the formula XCI₂. To which
group on the Periodic Table could element X belong?
A) Group I
C) Group 13
B) Group 2
D) Group 15
Version 1
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Transcribed Image Text:Name: Tamer Alsomen 1. The table below shows properties of two compounds at standard pressure. Selected Properties of Two Compounds Compound Melting Point Boiling Point (°C) (°C) 1935 1 775 2 -112.1 46 Which statement classifies the two compounds? A) Both compounds are ionic. B) Both compounds are molecular. C) Compound 1 is ionic, and compound 2 is molecular. D) Compound 1 is molecular, and compound 2 is ionic: 2. Which element has the lowest electronegativity value? Electrical Conductivity good as a liquid or in an aqueous solution poor as a liquid A) F B) Fr C) CI D) Cr 3. What is the most likely electronegativity value for a metallic element? A) 1.3 B) 2.7 C) 3.4 D) 4.0 4. When an atom of hydrogen and an atom of chlorine combine to form a molecule of hydrogen chloride, a bond is A) formed as energy is absorbed B) formed as energy is released C) broken as energy is absorbed D) broken as energy is released 5. Krypton atoms in the ground state tend not to bond with other atoms because their A) second electron shell contains eight electrons B) third electron shell contains eighteen electrons C) innermost electron shell contains two electrons D) outermost electron shell contains eight electrons 6. Which substance has nonpolar covalent bonds? A) Cl2 B) SO3 C) SiO2 D) CCl4 8. How many electrons are shared in a triple bond between two atoms? A) 6 D) 4 B) 2 C) 3 9. Which element reacts with oxygen to f bonds? 7. The chemical bond between which two atoms is most polar? A) C-N B) H-H C) S-CI D) Si-O B) hydrogen D) nitrogen 10. Given the equation representing a reaction: Cl₂ →Cl + Cl A) calcium C) chlorine What occurs during this reaction? A) Energy is released as a bond is broken. B) Energy is released as a bond is formed. C) Energy is absorbed as a bond is broken. D) Energy is absorbed as a bond is formed. 11. Which element has metallic bonds at room temperature? A) bromine C) krypton B) cesium D) sulfur 12. Element Y reacts with chlorine to form an ionic compound that has the formula XCI₂. To which group on the Periodic Table could element X belong? A) Group I C) Group 13 B) Group 2 D) Group 15 Version 1
Expert Solution
Check Mark
Explanation:

"Since you have asked multiple questions, we will solve the first question for you. If you want any specific question to be solved then please specify the question number or post only that question."

Compound 1 has a very high melting and boiling point, while Compound 2 has a very low melting and boiling point. Likewise, although Compound 2 has low electrical conductivity as a liquid, Compound 1 exhibits strong electrical conductivity both as a liquid and in an aqueous solution. These characteristics point to Compound 1 being most likely ionic and Compound 2 being most likely molecular.

Therefore, the correct answer is C) Compound 1 is ionic, and compound 2 is molecular.

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