**Atomic and Ionic Radii Table**The table below presents the atomic and ionic radii of various elements. The atomic radius is measured in picometers (pm), which indicates the size of an atom's electron cloud from its nucleus to the outer boundary, while the ionic radius reflects the size of the atom's ion in picometers.| Atom | Atomic Radius (pm) | Ionic Radius (pm) ||------|--------------------|------------------|| Na | 186 | 95.0 || Se | 117 | 191 (Se⁻²) || Cs | 265 | 169 || Cl | 99.0 | 181 || Br | 114 | 196 || Zn | 135 | 74.0 || Tl | 170 | 147 (Tl⁺) || K | 227 | 133 || S | 104 | 184 || I | 133 | 220 |**Explanation:**- **Atomic Radius:** It generally increases down a group and decreases across a period in the periodic table.- **Ionic Radius:** It varies depending on the ion's charge, with cations generally being smaller than their parent atoms, and anions being larger due to electron gain.For example, Sodium (Na) has an atomic radius of 186 pm and an ionic radius of 95.0 pm as a cation, indicating a significant decrease in size upon losing an electron to form Na⁺. Conversely, Selenium (Se) increases in size to 191 pm as its anion Se⁻², showing that gaining electrons enlarges the electron cloud. 8. Clausthalite is a mineral composed of lead(II) selenide. The mineral adopts a NaCl octahedral-type structure. If the density of PbSe is 8.27 g/cm³, calculate the radius of the lead(II) ion. (The radius of selenide ion is given below.)

First, calculate the mass of each unit cell. It is given by: mass = 4(Pb2+) + 4(Se2-)= 4(207.2amu) +…

Clausthalite is a mineral composed of lead(II) selenide. The mineral adopts a NaCl octahedral-type structure. If the density of PbSe is 8.27 g/cm', calculate the radius of the lead(II) ion. (The radius of selenide ion is given below.)

Clausthalite is a mineral composed of lead(II) selenide. The mineral adopts a NaCl octahedral-type structure. If the density of PbSe is 8.27 g/cm', calculate the radius of the lead(II) ion. (The radius of selenide ion is given below.)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: agnetic. How many unpaired electrons a in iron(II) and in iron(III) ions? I) ion: unpaired…

A: Aufbau principle states that electrons are assigned to orbitals in increasing order of energies. The…

Q: 4. NaCl(ag) + Kļcag) → NR

A: The following answer is correct or not if incorrect then write complete balance equation with states…

Q: Which element is a liquid at 758 K and standard pressure? A) Gold B) Silver C) Platinum D) thallium

Q: 48) An unknown hydrate of zinc sulfate, ZnSO4 • XH2O, is heated to give 30.8% water. What is the…

A: The unknown hydrate of zinc sulfate is given by the formula- ZnSO4 • x H2O Water obtained after…

Q: Calculate the atomic radius of Chromium (Cr), given that it has a body-centred cubic (BCC) crystal…

Q: Find the density and IPF values for cristobalite. (Si4+ ion radius: 0.039 nm, O2- ion radius:…

A: In case of Cristobalite, the structure is Si4O8. 3a/4 = (0.039 + 0.132) nm = 0.171 nm. a =…

Q: Which of the following statements is TRUE? Select one: CCl4(s) has a higher melting point than…

A: True statement among the above options is

Q: What is a tetrahedral hole?

Q: Explain the following trend in the lattice energy of oxides (in kJ.mol*) assuming all have the same…

A: the energy released when 1 mole of solid compound formed from the gaseous atom is known as lattice…

Q: 1) Write the balanced reaction between magnesium and oxygen to create 1 mole of magnesium oxide.…

A: The balanced chemical equation for the reaction between magnesium and oxygen to form magnesium oxide…

Q: Calculate the energy for vacancy formation (in J/mol) assuming that the density of the metal remains…

A: Matter exists in solid state also. Metals are in solid state. Temperature is the measure of hotness…

Q: Which of these elements are building-block elements? sodium oxygen calcium iron Opparbon

Q: Type of clay is found to be 48% silica. A held sample of this clay is 15% water. What is the mass…

A: Please find your solution below : Mass percent is a way of expressing the composition of a substance…

Q: 33. Nickel crystallizes in an fcc structure, with a unit cell edge length of 352 pm. What is the…

A: Concept: Relation between radius of atom and edge length: The relation between edge length (a) and…

Q: Draw a structure consisting of SiO4 units arranged in a chain with each unit sharing two of its…

A: Silicates are compounds of silicon and oxygen with a basic unit of [SiO44-] Silicates are of…

Q: Calculate the lattice enthalpies, ΔU (also called ΔHL), of the following group 1 fluoride compounds…

A: According to the Born-Mayer equation, ∆U=-Na Z+Z-doe2A4πεo1-ddo where Z+, Z- are the charges present…

Q: On the basis of ionic charge and ionic radii, predict the crystal structure for KI by answering the…

A: Answer:Three dimensional arrangement of the ions or atoms of a solid is called as its crystal…

Q: Which phosphorus nitride NP ,NP^+or NP^2- would be paramagneti

A: Substance which have a permanent dipole moment known as paramagnetic substance and substances which…

Q: 8a) Sketch a diagram showing the formation of energy levels from the valence orbitals for Rb, Rb2,…

A: a). We are given a crystal of Rb The formation of energy levels from the valance orbitals for Rb,…

Q: Calculate the lattice enthalpy of AgCl (s) using the following thermodynamic data. Note that the…

A: Lattice enthalpy : The amount of energy required to completely separate one mole of the solid ionic…

Q: Write the balanced chemical equation for the reaction of aluminum with iodine. Include phase…

A: The balanced chemical equation for the reaction of aluminum with iodine can be written as,

Q: Tooth decay (dental caries) is an unpleasant fact of life. Aging, diet, and improper dental hygiene…

A: Let's delve deeper into the pros and cons of tooth whiteners.Pros:Improved Aesthetic Appeal: Tooth…

Q: Which has the smallest radius of the following? O Mn O Mn 2+ Mn 3+ jes.

A: As the positive charge increase on element radius decreases due to increase in nuclear charge. So,…

Q: Which alloy is a combination of metal and non-metal? Steel O Bronze O Solder O Brass

A: Alloy having combination of metal and non metal ?

Q: Identify the crystal structure of all metals. Assign a symbol on each crystal structure type…

A: The objective of this question is to show the crystal structure of metals plays a crucial role in…

Q: In the simple cubic crystal structure, atoms touch along which direction? O (111) [010] O [111] O…

A: The correct answer is (101).

Concept explainers

Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.

Question

**Atomic and Ionic Radii Table**

The table below presents the atomic and ionic radii of various elements. The atomic radius is measured in picometers (pm), which indicates the size of an atom's electron cloud from its nucleus to the outer boundary, while the ionic radius reflects the size of the atom's ion in picometers.

| Atom | Atomic Radius (pm) | Ionic Radius (pm) |
|------|--------------------|------------------|
| Na | 186 | 95.0 |
| Se | 117 | 191 (Se⁻²) |
| Cs | 265 | 169 |
| Cl | 99.0 | 181 |
| Br | 114 | 196 |
| Zn | 135 | 74.0 |
| Tl | 170 | 147 (Tl⁺) |
| K | 227 | 133 |
| S | 104 | 184 |
| I | 133 | 220 |

**Explanation:**

- **Atomic Radius:** It generally increases down a group and decreases across a period in the periodic table.
- **Ionic Radius:** It varies depending on the ion's charge, with cations generally being smaller than their parent atoms, and anions being larger due to electron gain.

For example, Sodium (Na) has an atomic radius of 186 pm and an ionic radius of 95.0 pm as a cation, indicating a significant decrease in size upon losing an electron to form Na⁺. Conversely, Selenium (Se) increases in size to 191 pm as its anion Se⁻², showing that gaining electrons enlarges the electron cloud.

8. Clausthalite is a mineral composed of lead(II) selenide. The mineral adopts a NaCl octahedral-type structure. If the density of PbSe is 8.27 g/cm³, calculate the radius of the lead(II) ion. (The radius of selenide ion is given below.)

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Identify the alkene that is the most stable and the alkene that is the least stable. Most stable = Explanation for most stable carbocation: 11 ; Least stable = III
Sodium hydrogen sulfate is used as a cleaning agent and as a flux (a substance that promotes the fusing of metals and prevents the formation of oxides). One of the ways in which sodium hydrogen sulfate is manufactured is by reacting sodium dichromate, Na2Cr2O7, with sulfuric acid. This process also forms water and chromium(VI) oxide, CrO3. Write a balanced equation for this reaction. (You do not need to include states.) How many kilograms of sodium dichromate, Na2Cr2O7, are necessary to produce 130.4 kg of sodium hydrogen sulfate? How many kilograms of chromium(VI) oxide are formed when 130.4 kg of sodium hydrogen sulfate is made? What is the minimum volume of 18.0 M H2SO4 solution necessary to react with 874.0 kg of sodium dichromate? What is the maximum mass of sodium hydrogen sulfate, NaHSO4, that can be formed from the reaction of 874.0 kg of sodium dichromate with 400.0 L of 18.0 M H2SO4?
How many of these elements would be able to bond with the silica tetrahedra SiO4 - molecules? Group of answer choices are A = 4 B = 2 c = 1 Match it to the correct element. Na+ (sodium) Mg2 + (magnesium) Fe 2 + (iron) Fe 3 + (iron) Al 3 + (aluminum) Ca 2 + (calcium) K+ (potassium) |
Why the semiconducting properties of silicon are improved by adding minute amounts of boron?
The hypothetical metal is said to contain various crystalline defects. Explain the role of defects and influence on the properties of Puterium. Give specific examples in your answer.
The density of platinum is 21.45 g/cm3. It crystallizes in a fcc lattice. Calculate its metallic radius.