30
/ru/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
662041
55924
2
Public Timelines FAQ
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Open cabinet
For educational institutions For teachers For students Open cabinet
Создать
Create a timeline
Public timelines
Library
FAQ

1 янв 1829 г. - Johann Dobereiner

Описание:

Johann Dobereiner was aware of 40 elements. He was able to see that some groups of three elements had similar properties and he named these groups 'triads'.

Добавлено на ленту времени:

Periodic Table History Timeline

ByConnor Matkovic
1 фев 2018

Дата:

1 янв 1829 г.
Сейчас
~ 195 г назад
About & FeedbackСоглашениеПриватностьБиблиотека
2024 © Time.Graphics
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
Excellent (Trustpilot Reviews)
Based on 115+ reviews
Write your own review on Trustpilot.com