Printed from https://www.webqc.org

Properties of NiO

Properties of NiO (Nickel(II) oxide):

Compound NameNickel(II) oxide
Chemical FormulaNiO
Molar Mass74.6928 g/mol

Chemical structure
NiO (Nickel(II) oxide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
Appearancegreen crystalline solid
Solubilitynegligible
Density6.6700 g/cm³
Helium 0.0001786
Iridium 22.562
Melting1,955.00 °C
Helium -270.973
Hafnium carbide 3958
Thermochemistry
Enthalpy of Formation-240.00 kJ/mol
Adipic acid -994.3
Tricarbon 820.06

Alternative Names

Nickel monoxide
Oxonickel

Elemental composition of NiO
ElementSymbolAtomic weightAtomsMass percent
NickelNi58.6934178.5797
OxygenO15.9994121.4203
Mass Percent CompositionAtomic Percent Composition
Ni: 78.58%O: 21.42%
Ni Nickel (78.58%)
O Oxygen (21.42%)
Ni: 50.00%O: 50.00%
Ni Nickel (50.00%)
O Oxygen (50.00%)
Mass Percent Composition
Ni: 78.58%O: 21.42%
Ni Nickel (78.58%)
O Oxygen (21.42%)
Atomic Percent Composition
Ni: 50.00%O: 50.00%
Ni Nickel (50.00%)
O Oxygen (50.00%)
Identifiers
CAS Number1313-99-1
SMILES[O-2].[Ni+2]
Hill formulaNiO

Related compounds
FormulaCompound name
Ni2O3Nickel(III) oxide

Sample reactions for NiO
EquationReaction type
NiO + HNO3 = Ni(NO3)2 + H2Odouble replacement
NiO + H2SO4 = NiSO4 + H2Odouble replacement
NiO + HCl = NiCl2 + H2Odouble replacement

Related
Molecular weight calculator
Oxidation state calculator

Chemical Compound Properties Database

This database contains physical properties and alternative names for thousands of chemical compounds. In chemical formula you may use:
  • Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.
  • Functional groups: D, T, Ph, Me, Et, Bu, AcAc, For, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg
  • parenthesis () or brackets [].
  • Common compound names.
Examples: H2O, CO2, CH4, NH3, NaCl, CaCO3, H2SO4, C6H12O6, water, carbon dioxide, methane, ammonia, sodium chloride, calcium carbonate, sulfuric acid, glucose.

The database includes melting points, boiling points, densities, and alternative names collected from various chemical sources.

What are compound properties?

Chemical compound properties include physical characteristics such as melting point, boiling point, and density, which are important for chemical identification and applications. Alternative names help identify the same compound when referenced by different naming conventions.

How to use this tool?

Enter a chemical formula (like H2O) or compound name (like water) to look up available properties and alternative names. The tool will search through the database and display any available physical properties and known alternative names for the compound.
Please let us know how we can improve this web app.
Menu Balance Molar mass Gas laws Units Chemistry tools Periodic table Chemical forum Symmetry Constants Contribute Contact us
How to cite?