CHEMISTRY- 9.8 Electron Affinities and Metallic Character- STUDY GUIDE WITH 100% CORRECT SOLUTIONS

CHEMISTRY- 9.8 Electron Affinities and Metallic
Character- STUDY GUIDE WITH 100% CORRECT
SOLUTIONS
Electron Affinity - ✔✔Energy change when an atom gains an electron.



Negative Electron Affinity - ✔✔Indicates energy release upon gaining an electron.



Coulombic Attraction - ✔✔Attractive force between nucleus and incoming electron.



Exothermic Reaction - ✔✔Process that releases heat, typically negative energy.



Periodic Trends - ✔✔Patterns observed in properties across the periodic table.



Main-Group Elements - ✔✔Elements in groups 1A to 8A of the periodic table.



Halogens - ✔✔Group 7A elements with high negative electron affinities.



Group 1A Metals - ✔✔Elements that show increasing positive electron affinity down the
group.



Electron Configuration - ✔✔Arrangement of electrons in an atom's orbitals.



Noble Gas Configuration - ✔✔Stable electron arrangement resembling noble gases.



Metallic Character - ✔✔Tendency of an element to lose electrons.