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CHMA10H3 (188)
Lecture

chapter 22-24

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Department
Chemistry
Course
CHMA10H3
Professor
Xiao- An Zhang
Semester
Fall

Description
Chapters 22-24 Substitutional Alloy - has to be similar size and radius - the line is the melting point of all the binary compounds - can indicate the minimum melting point - Chromium - [Ar] 4s^1 3d^5 - Brittle (different than other metals that are usually malleable) - Chromate = +6 oxidation - Dichromate= +6 oxidation - Gemstones - Electron configuration - X 1-10 electrons - Ns2(n-1)d^x - Because of half filled an d full filled subshell - Atomic Size - The LANTHANIDE CONTRACTION is the decrease in expected atomic size... - Also affects - ionization energy - L R decreasing - Down  decreasing so needs more energy - Electronegetivity - L
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