鹼土的意思、翻譯和例句

是什麼意思

「鹼土」是指元素周期表中第二主族的金屬元素,包括鋇、鈣、鎂、鍶、鋇和鈹等。這些元素的共同特性是它們具有兩個價電子,通常以 +2 的氧化態存在。鹼土金屬通常具有良好的導電性和導熱性,並且在化學反應中活性較高,容易與水反應生成氫氣和氫氧化物。它們在工業和科學研究中有廣泛的應用,例如用於製造合金、化肥和藥物等。

依照不同程度的英文解釋

  1. A group of metals from the periodic table.
  2. Metals that react with water.
  3. They are found in the second column of the periodic table.
  4. They are important for various chemical reactions.
  5. They typically have two electrons in their outer shell.
  6. They are known for their reactivity and forming basic compounds.
  7. They are used in many industrial applications.
  8. They are essential for various biological and chemical processes.
  9. They include elements like magnesium and calcium, which have significant roles in both industry and biology.
  10. A category of metals that are essential in chemistry and have specific reactivity patterns.

相關英文單字或片語的差別與用法

1:Alkaline Earth Metals

用法:

這個詞通常用於化學和科學領域,指的是元素周期表中第二主族的金屬,它們的化學性質和物理性質相似。這些金屬在自然界中通常以化合物的形式存在,並且在工業上有著重要的應用,例如製造金屬合金、化肥和其他化學產品。它們的反應性較高,尤其是與水和酸反應時,會釋放氫氣。

例句及翻譯:

例句 1:

鋇是一種常見的鹼土金屬,廣泛用於工業應用。

Barium is a common alkaline earth metal used in industrial applications.

例句 2:

鈣和鎂是兩種重要的鹼土金屬,對人體健康至關重要。

Calcium and magnesium are two important alkaline earth metals essential for human health.

例句 3:

鹼土金屬在化學反應中通常表現出較高的活性。

Alkaline earth metals typically exhibit high reactivity in chemical reactions.