氦

Unicode: U+6C26

Pinyin: hài

Definition

* 一种气体元素，无色、无臭，可用来填充灯泡和霓虹灯管，亦用来制造泡沫塑料。液态氦常用做冷却剂

fluorine

Structure

氦 graph

Related substructures

szS3ldq5

NWiLRiRb

7Dz8GknM

raoyb8cd

4IrAJblv

j5XXuWqb

Precursors

No data

Last Modified: 2026-01-29 11:48 UTC