Ch.8 - Periodic Properties of the ElementsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Table: Some Properties of the Halogens Element Electron Configuration Melting Point (oC)

Problem

Table: Some Properties of the Halogens

Element Electron
Configuration
Melting
Point (oC)
Density Atomic
Radius (Å)
I1 (kJ/mol)
Fluorine [He]2s22p5 -220 1.69 g/L 0.57 1681
Chlorine [Ne]3s23p5 -102 3.12 g/L 1.02 1251
Bromine [Ar]4s23d104p5 -7.3 3.12 g/cm3 1.20 1140
Iodine [Kr]5s24d105p5 114 4.94 g/cm3 1.39 1008

Use the data from the table above to provide estimates for the atomic radius of an astatine atom?