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Monofunctional compounds: Skeleton notation
Students often wonder what the skeletal notation looks like when functional groups are added to the carbon chain. This is a summary that I made at the request of students.
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Microbial fuel cell
Microorganisms can supply electrons by decomposing organic materials and in this way generate a potential difference. For example, a biofuel cell can function as a battery.
The document contains instructions for use that describe how to make a …
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The equilibrium constant Kc is not dimensionless
The equilibrium constant Kc is a fundamental quantity in solving chemical equilibrium problems.
Many secondary school chemistry textbooks use a dimensionless concentration fraction, which they usually represent with the symbol K. Both the …Translated by
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Cosmography: Stars
This digital exercise will help you learn more about stars. While completing the multiple choice questions and fill-in exercises you will learn more about:
- characteristics;
- spectral class;
- star formation;
- end of light stars;
- end of stars like the …
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Types of paint
In this learning resource you will see how paint is used as protection, as decoration, as signaling, in painting, and you will be introduced to the important types of paint.
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Rubber
This exercise will include:
- production,
- applications,
- additives,
- rubber allergy,
- natural rubber
- synthetic rubber,
- risk explanation.
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Natural coloring agents
A natural dye is a dye derived from plants, mushrooms or animals. They can be used for dyeing wool, textiles, hair and food. In this exercise you will become acquainted with different species and their origins. You will also see the link with E …
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Plastics: Examples
In this exercise you match the correct term with the correct description. Terms that are discussed include:
- nylon,
- polyethylene,
- synthetic resin,
- composite,
- carbon fiber,
- elastomer,
- ...
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Repetition marks: Exercise
An exercise to learn the repetition signs primo volta and seconda volta . Da Capo al Fine is also discussed. This exercise is useful for MCV 2.1.
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Atomic construction: Crack the code
Simple exercise about atomic structure and ions that can be used, for example, as a formative test.
The aim is to answer each question with the correct number (number of valence electrons, charge, period...). The sum of these numbers is the atomic …
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Electron microscope: Task
This learning resource contains an assignment about electron microscopes. To better understand the material, your students watch two videos that illustrate the possibilities and operation of electron microscopes.
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PSEmini: Escape the box
Studying chemistry for the first time is like studying a new language. First limit yourself to the basic vocabulary of the language.
That is what PSEmini does: the large periodic table of elements is limited to the first 18 elements and to …
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