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How to Write the Electron Configuration for an Element in Each Block (Melissa Maribel) View |
How To Memorize The Periodic Table - Easiest Way Possible (Video 1) (Memorize Academy) View |
SPDF Block Elements | Chemistry Animation (EarthPen) View |
Periodic Table Part 10: Transition Metals, Lanthanides and Actinides (Professor Dave Explains) View |
Blocks in Periodic Table | Simple u0026 Easy Explanation (Bright Learning) View |
f block electron configuration (David Walsh) View |
easy way to learn d u0026 f block elements (All things easy) View |