Search results for “Formules de valence AVC”

Do you want to save someone's life | DKMS Germany

Of course you would save someone's life! But why don't you do it? 🤔 It's mega easy! In our video, we'll tell you just three short steps. 💪 It's really easy: open your mouth. Chopsticks in. Be a donor. Order your registration set on dkms.de/yt-registrierung and become a stem cell donor. Maybe you

Good substance quantity ratio

Material quantity ratios can be formulated in very different ways. However, there are more skillful and clumsy ones. This screencast explains how to make it a little easier for yourself. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.

08 Lewis Formulas Without Practice

How are Lewis formulas (valence formulas) set up? The electron octet (duplet for hydrogen) and the total number of electrons must be observed! Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.

09 Lewis Formulas

The valence stroke formulas, or Lewis formulas, are explained and practiced with some examples. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.

What are pesticides?

In Germany, around 1000 crop protection products are registered - such as insecticides or fungicides. A plant protection product consists of a toxic active ingredient and an often toxic co-formulant that makes the product water-soluble, for example. Author: 3sat/nano/DokUtopia Film/Berndt Welz/Seba