Water

H₂O

IUPAC: Oxidane

CAS: 7732-18-5

Tổng quan

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.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 2 1,0080
Oxygen O 1 15,9990

Thành phần nguyên tố

H
Hydrogen ×2
11,2%
O
Oxygen ×1
88,8%

Công dụng

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

Sự thật thú vị

  • ✦ 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

Tính chất

Loại
oxide
Trạng thái
liquid
Khối lượng mol
18,02 g/mol
Mật độ
1,0000 g/cm³
Điểm nóng chảy
0,0 °C
Điểm sôi
100,0 °C
Độ hòa tan
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

Hợp chất liên quan

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).