Ребята! Давайте попробуем подготовиться к экзамену по английскому языку и узнаем много полезной информации о химических элементах.
Преобразуйте, если необходимо, слова в скобках, так чтобы они грамматически и лексически соответствовали содержанию текста.
- Silver, a ………. (luster) precious metal, has been valued since ancient times for its beauty.
- Its discovery wasn't a single event but rather a gradual ………..(unearth) by early civilizations through mining.
- Ancient Egyptians and Mesopotamians, for example, were highly ……….(skill) in working with silver.
- Chemically, silver is a ……….. (metal) element, belonging to the transition metals group.
- It is particularly ………. (note) for being the best electrical and thermal conductor among all elements.
- The element's symbol, Ag, comes from the Latin word "argentum," ……… (signify) its bright appearance.
- While silver is relatively ………… (react), it can tarnish, forming a black layer of silver sulfide when exposed to air and sulfur compounds.
- This ………… (dark) process is a common characteristic, especially for silver jewelry.
- Its ……….. (malleable) and ductility allow it to be easily shaped into various forms without breaking.
- Today, silver remains ……….. (dispense) in industries from electronics to photography and even medicine.