Кремний (химический символ — Si, от лат. Silicium) — химический элемент 14-й группы (по устаревшей классификации — главной подгруппы четвёртой группы, IVA), третьего периода периодической системы химических элементов Д. И. Менделеева, с атомным номером 14.
0:12
Кремний (химический символ — Si, от лат. Silicium) — химический элемент 14-й группы (по устаревшей классификации — главной подгруппы четвёртой группы, IVA), третьего периода периодической системы химических элементов Д. И. Менделеева, с атомным номером 14.
TikTokdeadsoulov118.5K views1 week ago
Name Chemical Elements in 1 Minute | Quiz Time!
1:27
Name Chemical Elements in 1 Minute | Quiz Time!
TikToktalktothenation6.2M views3 months ago
Quit Smoking: Your Exact 7-Day Plan to Beat Addiction
0:09
Quit Smoking: Your Exact 7-Day Plan to Beat Addiction
TikTokdoggjamie1.7M views3 months ago
Outdoor Kitchen & Pergola Build: 4x2 Framework to Microcement Worktops
0:30
Outdoor Kitchen & Pergola Build: 4x2 Framework to Microcement Worktops
TikTokmade.carpentry1.2M views2 months ago
The numbers explained \t•\t1 (PET or PETE) – Common in water and soda bottles → Widely recyclable, but usually meant for single use \t•\t2 (HDPE) – Milk jugs, detergent bottles → Very safe and recyclable \t•\t3 (PVC) – Pipes, some packaging → Hard to recycle, can contain harmful chemicals \t•\t4 (LDPE) – Plastic bags, squeezable bottles → Low recycling rates \t•\t5 (PP) – Yogurt containers, bottle caps → Generally safe, increasingly recyclable \t•\t6 (PS) – Styrofoam, disposable cups → Not very
0:45
The numbers explained \t•\t1 (PET or PETE) – Common in water and soda bottles → Widely recyclable, but usually meant for single use \t•\t2 (HDPE) – Milk jugs, detergent bottles → Very safe and recyclable \t•\t3 (PVC) – Pipes, some packaging → Hard to recycle, can contain harmful chemicals \t•\t4 (LDPE) – Plastic bags, squeezable bottles → Low recycling rates \t•\t5 (PP) – Yogurt containers, bottle caps → Generally safe, increasingly recyclable \t•\t6 (PS) – Styrofoam, disposable cups → Not very
TikTokdickchucks_1562.6K views3 months ago
You bread could be poisoning you😭 | bon bread
1:45
You bread could be poisoning you😭 | bon bread
TikToklovedooshimaa1.2M views3 months ago
Scary Science Facts That Will Amaze You
1:09
Scary Science Facts That Will Amaze You
TikTokmidnightstory637459.4K views2 months ago
7:41
Balancing Chemical Reactions Tutorial for Students
TikTokjennynakt7f749.4K views4 months ago
1:49
Her Dad is a Chemist | Did you get the last one? #chemistry #manonstreet #TikTokLearningCampaign #EduTok #LearnOnTikTok
TikTokvoodies268.2K views2 months ago
4:14
Swamp Pool Project 2.0 - Part 1: Chemical Treatment
TikTokmypoolguyjay261.6K views2 months ago
1:53
PFAS in Household Dust and Childhood Leukemia: Part 1
TikTokantiplasticlady392.8K viewsMar 9, 2025
0:22
MCR’s firing squad at the ready🕷️ #mcr #mychemicalromance #mychemicalromancetiktok #anfieldstaduim #liverpool
TikTokrachelmeetsrockers127.4K views2 weeks ago
0:53
Part 1 Chemical Formula for Section C= Noise+ Random smell+ Student in Punishment 😂 #youtubeshorts
YouTubeGiancarlo Troia90.8K views5 months ago
1:04
Chemistry Reaction Explained — Part 1
TikTokivanjvasvay281.6K views2 months ago
8:51
Learn How to Balance Chemical Equations Effectively
TikTokinstructor__alison249.8K viewsJan 13, 2025
1:02
How Life Began: From Simple Cells to Complex Organisms | Brian Cox
TikToknotenoughspacetalk31.2K views2 months ago
0:39
Essential Interior Chemicals for Auto Detailing
TikTokjaminsperfecttouch162.3K viewsFeb 4, 2025
0:18
Don’t say anything just give them this look #chemicalengineering #chemistry #stem #engineering
TikToktheartoffugacity86.9K views1 month ago
0:53
Part 1 Chemical Formula for Section C= Noise+ Random smell+ Student in Punishment 😂 #youtubeshorts
YouTubeFarina Beucke28.1K views4 months ago
See more
Static thumbnail place holder