碱金属的意思、翻譯和例句

是什麼意思

「碱金属」是指位於元素周期表第一族的金屬元素,包括锂(Li)、钠(Na)、钾(K)、铷(Rb)、铯(Cs)和钫(Fr)。這些元素的特點是它們在化學反應中容易失去一個電子,形成帶正電的離子(陽離子),並且在水中與水反應生成氫氣和相應的氫氧化物。碱金属通常具有低密度、低熔點和良好的導電性,並且在自然界中以化合物的形式存在。由於其化學反應性強,這些元素通常需要小心儲存,避免與水或潮濕環境接觸。

依照不同程度的英文解釋

  1. A group of metals that react easily with water.
  2. Metals that are very soft and can be cut with a knife.
  3. Metals that can explode when they touch water.
  4. Metals known for their high reactivity, especially with moisture.
  5. Metals that belong to the first group of the periodic table.
  6. Highly reactive metals that form strong bases when they react with water.
  7. Elements that have one electron in their outer shell and are known for forming alkaline solutions.
  8. Elements characterized by their low electronegativity and tendency to form ionic compounds.
  9. Metals that are typically stored under oil due to their reactivity with air and moisture.
  10. A category of metals that includes lithium, sodium, and potassium, known for their vigorous reactions with water.

相關英文單字或片語的差別與用法

1:Alkali Metals

用法:

這是對碱金属的直接翻譯,通常用於化學和科學的討論中。這些元素以其在水中的高度反應性而聞名,並且在化學反應中經常形成強烈的鹼性溶液。它們在工業和實驗室中有多種用途,特別是在製造化學品和電池方面。

例句及翻譯:

例句 1:

碱金属在水中會迅速反應,產生氫氣。

Alkali metals react rapidly with water to produce hydrogen gas.

例句 2:

鈉和鉀是最常見的碱金属

Sodium and potassium are the most common alkali metals.

例句 3:

科學家們正在研究碱金属的多種應用。

Scientists are researching various applications of alkali metals.

2:Group 1 Metals

用法:

這個術語用於描述元素周期表中第一組的金屬,包括碱金属。這些金屬的共同特徵是它們的化學性質和反應性。它們在化學反應中通常失去一個電子,形成正離子,並且在水中反應時會釋放出大量的能量。這個術語在教育和科學的背景中經常被使用。

例句及翻譯:

例句 1:

所有的Group 1 Metals都具有低熔點和低密度。

All Group 1 metals have low melting points and low densities.

例句 2:

在化學實驗中,我們經常會觀察到Group 1 Metals的反應性。

In chemistry experiments, we often observe the reactivity of Group 1 metals.

例句 3:

Group 1 Metals在自然界中通常以化合物的形式存在。

Group 1 metals are usually found in nature in the form of compounds.