V2EX p-block

P-Block

释义 Definition

p-block(p区元素):指元素周期表中第13族到第18族的元素,它们的最外层电子主要填充在p轨道(通常写作 npnp)。p区元素涵盖金属、类金属和非金属,化学性质多样,包括常见的硼、碳、氮、氧、卤素和稀有气体等。

发音 Pronunciation

/pi blk/

例句 Examples

The p-block includes carbon, nitrogen, and oxygen.
p区元素包括碳、氮和氧。

Because p-block elements show multiple oxidation states, their compounds often have diverse structures and reactivities.
由于p区元素常表现出多种氧化态,它们的化合物往往具有多样的结构与反应性。

词源 Etymology

p-block由两部分构成:p 指原子轨道类型中的 p orbital(p轨道)block 指周期表按电子填充规律划分的“区/块”。该术语源于对元素电子排布的分类方式:最外层电子主要进入p轨道的元素被归入“p区”。

相关词 Related Words

文学与典籍 Literary Works

  • Inorganic Chemistry(Housecroft & Sharpe)
  • Inorganic Chemistry(Shriver & Atkins)
  • Chemistry: The Central Science(Brown, LeMay 等)
  • General Chemistry: Principles and Modern Applications(Petrucci 等)
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