-
Closed Circuit: Introduction
With this video with multiple choice questions you will learn how a closed circuit works. It is shown that not voltage but current is dangerous.
Translated by
Interactive exercise (9)Teacher -
Metal Oxides and Non-Metal Oxides: Exercise
You practice with this Quizlet set the naming of metal oxides and non-metal oxides based on Stock's rule or on the simplified systematic notation.
Translated by
Interactive exerciseTeacher