polonium
Aussprache: [pəˈloʊniəm]
Wort
Kontext: „science“
(noun) Polonium is a chemical element that is very rare and radioactive. It is a part of the group of elements called metals and is often used in scientific research. Think of it as a special kind of tiny building block that scientists study to learn more about how things work in the world.
Beispiel
Polonium is used in some experiments to help scientists understand radiation better.
Beispiel
Polonium is not used in everyday cooking because it is dangerous and radioactive.
Beispiel
What properties make polonium an interesting element to study?
Kontext: „radioactivity“
(noun) In the field of radioactivity, polonium is known for being very radioactive and can be harmful if not handled carefully. This means it gives off energy in the form of radiation, which can be used in specific types of technology but can be dangerous to people.
Beispiel
Scientists can use polonium in small amounts to create energy for special devices.
Beispiel
Polonium should not be used near people without strict safety precautions because it emits harmful radiation.
Beispiel
Why is it important to handle polonium with care?
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