The whole chapter in one sitting
Parth Momaya · YouTube
A single run through Dobereiner, Newlands, Mendeleev and the modern table — good for a first pass or a last-minute revision.
Periodic Classification of Element
Chapter 2 of Science and Technology Part 1, SSC Std 10 (English Medium). A short revision read — free, no sign-up.
Loading viewer…
Still not clicking? Watch it instead.
Hand-picked free resources for this exact chapter.
One shot revision
Vedantu Maharashtra 9 & 10 · YouTube
Covers the periodic trends in detail: how atomic size, metallic character and valency change across a period and down a group.
Taught slowly, from lecture one
JR Tutorials · YouTube
If the one-shot videos move too fast, this starts at the beginning and builds up gradually.