Metals are typically solid materials known to be hard, 閃亮, malleable, fusible, and ductile. With good electrical and thermal conductivity, metals are useful in so many applications and without them our world just wouldn’t be the same. If you want to impress your friends at a party, and they’re into“metals,” here are some interesting facts… 閱讀更多 »
標記: 純金屬
金屬係點樣喺自然界中發現嘅?
金屬存在於地殼中. 取決於您在地球上的位置, 如果你要挖尋找鋁, 銀或銅, 你可能會搵到它們. 通常, 呢啲純金屬存在於岩石中嘅礦物質中. 簡單地說, 如果您挖掘土壤和/或收集岩石, you’re likely to find… 閱讀更多 »
