Nickel has a face-centered cubic cell, and its density is 8.90 g/cm3. What is the radius (in pm) of a nickel atom? (The molar mass of nickel is 58.69 g/mol)

A) 62.3 pm B) 88.1 pm C) 125 pm D) 249 pm E) 535 pm A) 62.3 pm B) 88.1 pm C) 125 pm D) 249 pm E) 535 pm

Strontium oxide has a face centered cubic unit cell of oxide ions with the strontium ions in octahedral holes. If the radius of Sr2+ is 127 pm and the radius of O2- is 135 pm, what is the density of strontium ions oxide? (100 cm = 1 × 1012 pm)

A) 0.209 g/cm3 B) 1.20 g/cm3 C) 2.39 g/cm3 D) 4 g/cm3 E) 4.78 g/cm3 A) 0.209 g/cm3 B) 1.20 g/cm3 C) 2.39 g/cm3 D) 4 g/cm3 E) 4.78 g/cm3

Exam 13: The Solid State

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Above a substance's _____ temperature, it is not possible to compress the substance into the liquid phase. If enough pressure is applied the substance will become a supercritical fluid.

(Short Answer)

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Question 21

If an ionic solid has a face-centered cubic lattice of anions (Xn−) and all the octahedral holes are occupied by metal cations (Mm⁺), what is the formula for the compound?

(Multiple Choice)

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Question 22

Which of the following elements might be used as a dopant in a silicon host to create a p-type semiconductor?

(Multiple Choice)

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Question 23

Nickel has a face-centered cubic cell, and its density is 8.90 g/cm³. What is the radius (in pm) of a nickel atom? (The molar mass of nickel is 58.69 g/mol)

(Multiple Choice)

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Question 24

According to the below phase diagram, what process occurs if a pure substance begins at point C and the pressure on the substance is increased until point B is reached?

(Multiple Choice)

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Question 25

A metal crystallizes in a face-centered cubic lattice. The atomic radius of the metal is 198 pm and the density of the metal is 6.57 g/cm³. What is the volume of the unit cell?

(Multiple Choice)

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Question 26

Which of the following statements is true about semiconductors?

(Multiple Choice)

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Question 27

If an ionic compound with the formula MX₂ forms a face-centered cubic unit cell with the cations (M²ⁿ⁺) at the lattice points, the anions (Xn^-) will occupy:

(Multiple Choice)

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Question 28

What is the simplest formula of the compound represented by the unit cell provided below?

(Multiple Choice)

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Question 29

In metals, there are not enough electrons to fill all of the electronic energy levels. At 0 K, the highest energy level filled is referred to as the ________.

(Multiple Choice)

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Question 30

Point D on the phase diagram is referred to as the _____ point.

(Multiple Choice)

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Question 31

What is the length of the diagonal (in atomic radii) along the face of a face-centered cubic unit cell?

(Multiple Choice)

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Question 32

Strontium oxide has a face centered cubic unit cell of oxide ions with the strontium ions in octahedral holes. If the radius of Sr²⁺ is 127 pm and the radius of O^2- is 135 pm, what is the density of strontium ions oxide? (100 cm = 1 × 10¹² pm)

(Multiple Choice)

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Question 33

Which of the following compounds is expected to have the strongest ionic bonds?

(Multiple Choice)

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Question 34

Which one of the following statements is incorrect?

(Multiple Choice)

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Question 35

Cesium crystallizes in the body-centered cubic system. If the edge of the unit cell is 612 pm, what is the radius of a cesium atom in picometers?

(Multiple Choice)

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Question 36

Iron(II) sulfide has a primitive cubic unit cell with sulfide ions at the lattice points. The ionic radii of iron(II) ions and sulfide ions are 88 pm and 184 pm, respectively. What is the density of FeS (in g/cm³)?

(Multiple Choice)

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Question 37

Palladium crystallizes in a face-centered cubic unit cell. If the edge length of the unit cell is 387 pm, what is the radius of a palladium atom in picometers?

(Multiple Choice)

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Question 38

Polonium (atomic mass 209.0 g/mol) crystallizes in a primitive cubic unit cell. If the density of polonium is 9.15 g/cm³, what is the radius of a polonium atom (in pm)?

(Multiple Choice)

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Question 39

Iron crystallizes in a body-centered cubic lattice. If the radius of iron is 126 pm, what is the unit cell edge length?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 67

Exam 13: The Solid State

Above a substance's _____ temperature, it is not possible to compress the substance into the liquid phase. If enough pressure is applied the substance will become a supercritical fluid.

If an ionic solid has a face-centered cubic lattice of anions (Xn−) and all the octahedral holes are occupied by metal cations (Mm+), what is the formula for the compound?

Which of the following elements might be used as a dopant in a silicon host to create a p-type semiconductor?

Nickel has a face-centered cubic cell, and its density is 8.90 g/cm3. What is the radius (in pm) of a nickel atom? (The molar mass of nickel is 58.69 g/mol)

According to the below phase diagram, what process occurs if a pure substance begins at point C and the pressure on the substance is increased until point B is reached?

A metal crystallizes in a face-centered cubic lattice. The atomic radius of the metal is 198 pm and the density of the metal is 6.57 g/cm3. What is the volume of the unit cell?

Which of the following statements is true about semiconductors?

If an ionic compound with the formula MX2 forms a face-centered cubic unit cell with the cations (M2n+) at the lattice points, the anions (Xn-) will occupy:

What is the simplest formula of the compound represented by the unit cell provided below?

In metals, there are not enough electrons to fill all of the electronic energy levels. At 0 K, the highest energy level filled is referred to as the ________.

Point D on the phase diagram is referred to as the _____ point.

What is the length of the diagonal (in atomic radii) along the face of a face-centered cubic unit cell?

Strontium oxide has a face centered cubic unit cell of oxide ions with the strontium ions in octahedral holes. If the radius of Sr2+ is 127 pm and the radius of O2- is 135 pm, what is the density of strontium ions oxide? (100 cm = 1 × 1012 pm)

Which of the following compounds is expected to have the strongest ionic bonds?

Which one of the following statements is incorrect?

Cesium crystallizes in the body-centered cubic system. If the edge of the unit cell is 612 pm, what is the radius of a cesium atom in picometers?

Iron(II) sulfide has a primitive cubic unit cell with sulfide ions at the lattice points. The ionic radii of iron(II) ions and sulfide ions are 88 pm and 184 pm, respectively. What is the density of FeS (in g/cm3)?

Palladium crystallizes in a face-centered cubic unit cell. If the edge length of the unit cell is 387 pm, what is the radius of a palladium atom in picometers?

Polonium (atomic mass 209.0 g/mol) crystallizes in a primitive cubic unit cell. If the density of polonium is 9.15 g/cm3, what is the radius of a polonium atom (in pm)?

Iron crystallizes in a body-centered cubic lattice. If the radius of iron is 126 pm, what is the unit cell edge length?

Basic Concepts of Chemistry

Lets Review: the Tools of Quantitative Chemistry

Atoms, Molecules, and Ions

Chemical Reactions

Stoichiometry: Quantitative Information About Chemical Reactions

Principles of Chemical Reactivity: Energy and Chemical Reactions

The Structure of Atoms

The Structure of Atoms and Periodic Trends

Bonding and Molecular Structure

Bonding and Molecular Structure Orbital Hybridization and Molecular Orbitals

Gases and Their Properties

Intermolecular Forces and Liquids

Solutions and Their Behavior

Chemical Kinetics: the Rates of Chemical Reactions

Principles of Chemical Reactivity: Equilibria

Principles of Chemical Reactivity: the Chemistry of Acids and Bases

Principles of Chemical Reactivity: Other Aspects of Aqueous Equilibria

Principles of Chemical Reactivity: Entropy and Free Energy

Principles of Chemical Reactivity: Electron Transfer Reactions

Environmental Chemistry: Earths Environment, Energy, and Sustainability

The Chemistry of the Main Group Elements

The Chemistry of the Transition Elements

Carbon: Not Just Another Element

Biochemistry

Nuclear Chemistry

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If an ionic solid has a face-centered cubic lattice of anions (Xn−) and all the octahedral holes are occupied by metal cations (Mm⁺), what is the formula for the compound?

Nickel has a face-centered cubic cell, and its density is 8.90 g/cm³. What is the radius (in pm) of a nickel atom? (The molar mass of nickel is 58.69 g/mol)

A metal crystallizes in a face-centered cubic lattice. The atomic radius of the metal is 198 pm and the density of the metal is 6.57 g/cm³. What is the volume of the unit cell?

If an ionic compound with the formula MX₂ forms a face-centered cubic unit cell with the cations (M²ⁿ⁺) at the lattice points, the anions (Xn^-) will occupy:

Strontium oxide has a face centered cubic unit cell of oxide ions with the strontium ions in octahedral holes. If the radius of Sr²⁺ is 127 pm and the radius of O^2- is 135 pm, what is the density of strontium ions oxide? (100 cm = 1 × 10¹² pm)

Iron(II) sulfide has a primitive cubic unit cell with sulfide ions at the lattice points. The ionic radii of iron(II) ions and sulfide ions are 88 pm and 184 pm, respectively. What is the density of FeS (in g/cm³)?

Polonium (atomic mass 209.0 g/mol) crystallizes in a primitive cubic unit cell. If the density of polonium is 9.15 g/cm³, what is the radius of a polonium atom (in pm)?