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Exam 3: Structure and Properties of Ionic and Covalent Compounds

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Exam 1: Chemistry:methods and Measurement94 Questionsadd course
Exam 2: The Structure of the Atom and the Periodic Table109 Questionsadd course
Exam 3: Structure and Properties of Ionic and Covalent Compounds91 Questionsadd course
Exam 4: Calculations, Chemical Changes, and the Chemical Equation85 Questionsadd course
Exam 5: States of Matter- Gases, Liquids, and Solids75 Questionsadd course
Exam 6: Solutions67 Questionsadd course
Exam 7: Energy, Rate and Equilibrium61 Questionsadd course
Exam 8: Acids and Bases59 Questionsadd course
Exam 9: The Nucleus, Radioactivity, and Nuclear Medicine82 Questionsadd course
Exam 10: An Introduction to Organic Chemistry- the Saturated Hydrocarbons94 Questionsadd course
Exam 11: The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics65 Questionsadd course
Exam 12: Alcohols, Phenols, Thiols, and Ethers65 Questionsadd course
Exam 13: Aldehydes and Ketones55 Questionsadd course
Exam 14: Carboxylic Acids and Carboxylic Acid Derivatives80 Questionsadd course
Exam 15: Amines and Amides80 Questionsadd course
Exam 16: Carbohydrates74 Questionsadd course
Exam 17: Lipids and Their Functions in Biochemical Systems80 Questionsadd course
Exam 18: Protein Structure and Function73 Questionsadd course
Exam 19: Enzymes72 Questionsadd course
Exam 20: Introduction to Molecular Genetics84 Questionsadd course
Exam 21: Carbohydrate Metabolism75 Questionsadd course
Exam 22: Aerobic Respiration and Energy Production69 Questionsadd course
Exam 23: Fatty Acid Metabolism70 Questionsadd course
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The polyatomic ion known as the diphosphate ion is an important intermediate formed in metabolic processes.If the ionic compound calcium diphosphate has the formula Ca2P2O7, which of the following correctly represents the symbol for the diphosphate ion?

(Multiple Choice)
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Question 41

What is the molecular geometry of CO2?

(Multiple Choice)
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Question 42

Ionic solids are amorphous.

(True/False)
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Question 43

Emergency treatment of cardiac arrest victims sometimes involves injection of a calcium chloride (CaCl2) solution directly into the heart muscle.Which statement about the compound CaCl2 is FALSE?

(Multiple Choice)
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Question 44

Which of the following is an essential feature of ionic bonding?

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Question 45

In solid NaCl, no molecules of NaCl exist.

(True/False)
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Question 46

Formaldehyde is a covalent compound used as a preservative for biological specimens.Which statement concerning the Lewis structure of formaldehyde, shown below, is FALSE? Formaldehyde is a covalent compound used as a preservative for biological specimens.Which statement concerning the Lewis structure of formaldehyde, shown below, is FALSE?

(Multiple Choice)
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Question 47

Which statement about chemical bonds is FALSE?

(Multiple Choice)
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Question 48

If the shape of a molecule is tetrahedral, what are the values of the bond angles?

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Question 49

What is the proper name for Mg(CN)2?

(Multiple Choice)
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Question 50

Which combination of atoms is most likely to form an ionic compound if they are allowed to react with each other?

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Question 51

How many bonding electrons are present in the Lewis structure for the bicarbonate ion, shown below? How many bonding electrons are present in the Lewis structure for the bicarbonate ion, shown below?

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Question 52

How many nonbonding electrons are in CH4?

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Question 53

What does it mean if an atom is said to have a high electronegativity?

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Question 54

The hydrogen bonds between water and ammonia in a solution are intermolecular forces.

(True/False)
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Question 55

A covalent bond involves which of the following?

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Question 56

At what temperature is a liquid converted into a gas?

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Question 57

What is the formula of the compound sulfur trioxide?

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Question 58

Which element has the greatest electronegativity?

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Question 59

Six electrons shared between two atoms corresponds to a triple bond.

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Question 60
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