Nickel – Ni


Chemical Properties Of Nickel

Group10Melting point1455°C, 2651°F, 1728 K
Period4Boiling point2913°C, 5275°F, 3186 K
BlockdDensity (g cm−3)8.90
Atomic number28Relative atomic mass58.693
State at 20°CSolidKey isotopes58Ni
Electron configuration[Ar] 3d84s2CAS number7440-02-0
ChemSpider ID910ChemSpider is a free chemical structure database

What is Nickel?

Nickel is a transition metal with the atomic number 28 that is found in the fourth period/row of the periodic table. It is a necessary nutrient for the body, but excessive consumption can be harmful. Humans can become infected by breathing in infected air, drinking infected water, eating infected food, or smoking cigarettes. Too much nickel ingestion can lead to lung, nose, larynx, and prostate cancer.

Uses Of Nickel

  • The most important application of this element is in the production of coinage.
  • It is utilised in the production of wires.
  • It is utilised in gas turbines and rocket engines because it can withstand corrosion even at high temperatures.
  • It is used to create a variety of alloys, which are then utilised to create armour plate, nails, and pipes.
  • Monel (alloys of nickel and copper) is a robust composition that can withstand seawater corrosion. As a result, it is used in boat propeller shafts and desalination facilities.

Properties Of Nickel

  • Nickel is a silvery-white metal that is hard, malleable, and ductile.
  • It is a good heat and electrical conductor.
  • It has a valency of two and is bivalent.
  • In dilute acids, the metal dissolves slowly.
  • It has a melting point of 1453 degrees Celsius and a boiling point of 2913 degrees Celsius.

Certain Facts About Nicke

  • Because it is a radioactive metal, it is poisonous and dangerous to live.
  • The 99Tc chemical is extremely contaminative in nature and dangerous to live.
  • When handling the chemical, utilize a safety glove box.

[NiCl4]2− Geometry

Ni2+ undergoes sp3 hybridization to form tetrahedral interactions with Cl- ligands. Because the d-orbitals include unpaired electrons, [NiCl4]2 is paramagnetic and is classified as a high spin outer orbital complex. As a result, [NiCl4]2 is tetrahedral.


Frequently Asked Questions – FAQs

Is [NiCl4]2 a paramagnetic compound?
Despite the fact that both [NiCl4]2 and [Ni(CO)4 are tetrahedral, their magnetic properties differ. This is owing to the different nature of the ligands. Cl- is a weak field ligand, hence it does not pair unpaired 3d electrons. As a result, [NiCl4]2 is paramagnetic.

What is the significance of [Ni(CN)4]2- square planarity?
All electrons are coupled up in the presence of strong field CN- ions. In square planar geometry, the empty 4d, 3s, and two 4p orbitals undergo dsp2 hybridization to form bonds with CN- ligands. As a result, [Ni(CN)4]2- is square planar.

What is the IUPAC name for the negative [NiCl4]2?
The metal complex with the formula [NiCl4]2 is tetrachloronickelate (II) ion.

What is the purpose of nickel?
Nickel is a silvery-white metal that is mostly used to strengthen stainless steel and other alloys and make them more resistant to severe temperatures and corrosive environments.

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