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Course: Inorganic Chemistry (Essentials) - Class 12 > Unit 2
Lesson 1: The transition elements (d-block)- Introduction to d-block elements
- Electronic configurations of the d-block elements
- Ionisation enthalpies of transition elements
- Trends in the general properties
- Trends in the atomic properties of transition elements
- Oxidation states of transition elements
- Oxidation states of transition metals
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Trends in the general properties
Google ClassroomDescription
In this video, we will discuss the trends in the general properties of transition elements like physical properties such as melting and boiling points, enthalpies of atomisation, atomic/ionic radius, and density.
Timestamps
00:16 - Physical properties of transition elements.
00:45 - High melting points of transition elements.
02:13 - Exception in the MP trend.
02:50 - Comparison of MPs in 3d, 4d and 5d series.
03:33 - Enthalpies of atomisation
04:13 - Trends in the atomic size
05:35 - Comparing the atomic sizes in 3d, 4d and 5d series.
06:16 - Lanthanide contraction
6:40 - Density of transition metals
Master the concept of “Trends in the general properties” through practice exercises and videos - https://www.khanacademy.org/science/class-12-chemistry-india/x6a5fb67b43bb54b9:the-d-block-elements#x6a5fb67b43bb54b9:properties-of-transition-metals
Check out more videos and exercises on “The d-block elements” - https://www.khanacademy.org/science/class-12-chemistry-india/x6a5fb67b43bb54b9:the-d-block-elements?lang=en
To get you fully ready for your exam and help you fall in love with “chemistry”, find the complete bank of exercises and videos for “class 12 and chemistry” here - https://www.khanacademy.org/science/class-12-chemistry-india?lang=en
. Created by Revathi Ramachandran.