Water

H₂O

IUPAC: Oxidane

CAS: 7732-18-5

概述

Water is the most abundant compound on Earth's surface and essential for all known forms of life. It is a polar molecule with unique hydrogen bonding properties.

组成

元素 符号 原子 原子质量
Hydrogen H 2 1.0080
Oxygen O 1 15.9990

元素组成

H
Hydrogen ×2
11.2%
O
Oxygen ×1
88.8%

用途

  • • Solvent
  • • Cooling agent
  • • Biological necessity
  • • Industrial processes

趣味知识

  • ✦ Water is the only substance that naturally exists in all three states on Earth
  • ✦ Water has its maximum density at 4°C

Structure

SMILES

O

属性

类型
oxide
状态
liquid
摩尔质量
18.02 g/mol
密度
1.0000 g/cm³
熔点
0.0 °C
沸点
100.0 °C
溶解度
Miscible

Molecular Descriptors

Exact Mass
18.0106
XLogP
-0.5
TPSA
1.0 Ų
H-Bond Donors
1
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
1
Complexity
0.0

相关化合物

Bismuth(III) Oxide

Bi₂O₃

Carbon Monoxide

CO

Chromium Trioxide

CrO₃

Cobalt(II) Oxide

CoO

Copper(I) Oxide

Cu₂O

Lithium Nickel Manganese Cobalt Oxide

LiNi₀.₃₃Mn₀.₃₃Co₀.₃₃O₂

Gallium(III) Oxide

Ga₂O₃

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Cadmium Oxide

CdO

Frequently Asked Questions

What is Water?
Water (H₂O) is a oxide compound with the IUPAC name Oxidane.
What is the molecular weight of Water?
Water has a molar mass of 18.02 g/mol.
What state is Water at room temperature?
Water is a liquid at room temperature.
Is Water organic or inorganic?
Water is classified as an inorganic compound.
What elements make up Water?
Water (H₂O) is composed of Hydrogen (H), Oxygen (O).