Periodic Table Part 6: Pnictogens (N, P, As, Sb, Bi, Mc) Professor Dave Explains 8:54 2 years ago 39 602 Далее Скачать
The Periodic Table: Atomic Radius, Ionization Energy, and Electronegativity Professor Dave Explains 7:53 9 years ago 4 158 671 Далее Скачать
Periodic table: Groups, Periods, names of elements, chalcogens, pnictogens, halogens, alkali metals Chemazon 20:40 1 year ago 103 Далее Скачать
Trends in Periodic Table (Part II) │ Topic 6 DK014 KEmiSTRY HOUSE 29:00 3 years ago 391 Далее Скачать
Periodic Table Part 7: Chalcogens (O, S, Se, Te, Po, Lv) Professor Dave Explains 8:41 2 years ago 36 650 Далее Скачать
Atoms and Elements, Part 6 of 6: Periodic trends Professor Clements 9:14 4 years ago 355 Далее Скачать
Pnictogen 🔬⚛️🔬 Periodic Table of Elements Series 🔬⚛️🔬 See Hear Say Learn 15:53 5 years ago 136 Далее Скачать
Hon Chem - Periodicity - Intro to the Periodic Table - Part 1 of 6 RizkChem 34:17 5 years ago 141 Далее Скачать