Mendeleev فارسی

Gadolinium (Gd) – Element 64 of the periodic table

Gadolinium (symbol Gd) is element number 64 of the periodic table and belongs to the “Lanthanide” category. Its atomic mass is about 157.25, and its phase under standard conditions is Solid. This element sits in period 6 and the f-block (Lanthanides) of the periodic table, and its electrons are arranged in shells of 2, 8, 18, 25, 9, 2. The short electron configuration of Gadolinium is [Xe] 4f⁷ 5d¹ 6s². Known uses of Gadolinium include Medical MRI, Reactor control and Data storage.

View in the interactive periodic tableAsk the AI assistant

Properties of Gadolinium

Atomic number
64
Chemical symbol
Gd
Atomic mass
157.25
Category
Lanthanide
Period
6
Block
f
Phase
Solid
Protons
64
Electrons
64
Neutrons (approx.)
93
Electron shells
2, 8, 18, 25, 9, 2
Outer-shell electrons
2
Discovered
Jean Charles Galissard de Marignac (1880)

Electron configuration of Gadolinium

The electron configuration of Gadolinium (Gd), with 64 electrons, is shown below. The last shell (shell 6) is highlighted:

Full configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f⁷ 5s² 5p⁶ 5d¹ 6s²
Short configuration
[Xe] 4f⁷ 5d¹ 6s²
Last shell
6s²

What is electron configuration and how is it written?

Electron shells of Gadolinium

Distribution of 64 electrons of Gadolinium across shells K to P:

  1. K2
  2. L8
  3. M18
  4. N25
  5. O9
  6. P2

What is a lanthanide?

The lanthanides are the 15 elements from lanthanum to lutetium, part of the f-block, with very similar chemical properties; they are often grouped among the “rare earths”.

Uses of Gadolinium

Frequently asked questions about Gadolinium

What is the atomic number of Gadolinium?

The atomic number of Gadolinium (Gd) is 64; that is, every atom of it has 64 protons.

What is the electron configuration of Gadolinium?

The electron configuration of Gadolinium (Gd) is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f⁷ 5s² 5p⁶ 5d¹ 6s²; in short form it is [Xe] 4f⁷ 5d¹ 6s², and its last shell is 6s².

What is the chemical symbol of Gadolinium?

The chemical symbol of Gadolinium is Gd.

Where is Gadolinium located in the periodic table?

Gadolinium is located in period 6 and the f-block (Lanthanides) and belongs to the “Lanthanide” category.

What is the atomic mass of Gadolinium?

The atomic mass of Gadolinium is about 157.25 (atomic mass units).

What is the phase of Gadolinium under normal conditions?

The phase of Gadolinium under standard conditions is Solid.

What are the uses of Gadolinium?

Uses of Gadolinium include Medical MRI, Reactor control and Data storage.

Who discovered Gadolinium?

Gadolinium was discovered by Jean Charles Galissard de Marignac in 1880.

Elements in the same category as Gadolinium (Lanthanide)

Lanthanum (La)Cerium (Ce)Praseodymium (Pr)Neodymium (Nd)Promethium (Pm)Samarium (Sm)Europium (Eu)Terbium (Tb)Dysprosium (Dy)Holmium (Ho)Erbium (Er)Thulium (Tm)Ytterbium (Yb)Lutetium (Lu)

See all Lanthanides