Thallium has more than one pronunciation: when pronounced thallium (tā): metallic element with the symbol Tl (thallium). Silver-white, soft. Used to make alloys, photocells, thermometers, and optical glass. Compounds of thallium are toxic and are used in medicine. When pronounced thallium (tuó): scales; scales.

I. Introduction to thallium

1. Historical connection between thallium and scales

The earliest scales were made of stone and later cast in metal. The stone character for steelyard was then changed to the metal character for steelyard, indicating that the steelyard for scales was changed to metal casting. The word for steelyard was then commonly used with thallium, pronounced the same as steelyard.

2. Translation and Naming of Thallium as a Metal Element

With the introduction of Western science and technology in the early eighteenth century, the masters of the Chinese Academy of Sciences took into account the high toxicity of Tl to the human body when translating the metal element Tl. They borrowed the character thallium, which is pronounced not with a steelyard sound but with an "it" sound. It indicates a snake, which is poisonous, to label this highly toxic metal element.

The modern meaning and application of thallium

1. In modern dictionaries, thallium is mainly used to refer to this highly toxic metal element.

2. Thallium has specific applications and research value in the fields of chemistry and physics.

Example sentences containing the word thallium

1, In the chemistry laboratory, we need to be careful to avoid contact with thallium because it is a highly toxic metal element.

2. When handling solutions containing thallium, we must take strict precautions to prevent accidental ingestion or exposure.

3. Thallium acts as a catalyst in certain chemical reactions and is valuable for both research and application.

4. In the medical field, thallium is used in the treatment of certain diseases, but its use is subject to strict medical supervision to ensure patient safety.

5. Although thallium has important applications in some fields, we must recognize its toxicity and take appropriate precautions to avoid potential harm to the environment and human health.

6, In the preparation of thallium compounds, the reaction conditions need to be strictly controlled to avoid the production of highly toxic by-products.

7. When handling thallium-containing waste liquids, professional treatment methods should be adopted to prevent pollution of the environment.

8. Thallium is used as an electrically conductive material in some electronic equipment, but its use needs to comply with the relevant standards and regulations to ensure the safety and reliability of the product.