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Ytterbium (Yb) – Element 70 of the periodic table

Ytterbium (symbol Yb) is element number 70 of the periodic table and belongs to the “Lanthanide” category. Its atomic mass is about 173.05, 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, 32, 8, 2. The short electron configuration of Ytterbium is [Xe] 4f¹⁴ 6s². Known uses of Ytterbium include Lasers, Stainless steels and Scientific research.

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Properties of Ytterbium

Atomic number
70
Chemical symbol
Yb
Atomic mass
173.05
Category
Lanthanide
Period
6
Block
f
Phase
Solid
Protons
70
Electrons
70
Neutrons (approx.)
103
Electron shells
2, 8, 18, 32, 8, 2
Outer-shell electrons
2
Discovered
Jean Charles Galissard de Marignac (1878)

Electron configuration of Ytterbium

The electron configuration of Ytterbium (Yb), with 70 electrons, is shown below. The last shell (shell 6) is highlighted:

Full configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 6s²
Short configuration
[Xe] 4f¹⁴ 6s²
Last shell
6s²

What is electron configuration and how is it written?

Electron shells of Ytterbium

Distribution of 70 electrons of Ytterbium across shells K to P:

  1. K2
  2. L8
  3. M18
  4. N32
  5. O8
  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 Ytterbium

Frequently asked questions about Ytterbium

What is the atomic number of Ytterbium?

The atomic number of Ytterbium (Yb) is 70; that is, every atom of it has 70 protons.

What is the electron configuration of Ytterbium?

The electron configuration of Ytterbium (Yb) is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 6s²; in short form it is [Xe] 4f¹⁴ 6s², and its last shell is 6s².

What is the chemical symbol of Ytterbium?

The chemical symbol of Ytterbium is Yb.

Where is Ytterbium located in the periodic table?

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

What is the atomic mass of Ytterbium?

The atomic mass of Ytterbium is about 173.05 (atomic mass units).

What is the phase of Ytterbium under normal conditions?

The phase of Ytterbium under standard conditions is Solid.

What are the uses of Ytterbium?

Uses of Ytterbium include Lasers, Stainless steels and Scientific research.

Who discovered Ytterbium?

Ytterbium was discovered by Jean Charles Galissard de Marignac in 1878.

Elements in the same category as Ytterbium (Lanthanide)

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

See all Lanthanides