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Bismuth (Bi) – Element 83 of the periodic table

Bismuth (symbol Bi) is element number 83 of the periodic table and belongs to the “Metal” category. Its atomic mass is about 208.98, and its phase under standard conditions is Solid. This element sits in period 6 and group 15 of the periodic table, and its electrons are arranged in shells of 2, 8, 18, 32, 18, 5. The short electron configuration of Bismuth is [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³. Known uses of Bismuth include Stomach medications, Low-melting alloys and Fireworks.

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Properties of Bismuth

Atomic number
83
Chemical symbol
Bi
Atomic mass
208.98
Category
Metal
Period
6
Group
15
Phase
Solid
Protons
83
Electrons
83
Neutrons (approx.)
126
Electron shells
2, 8, 18, 32, 18, 5
Outer-shell electrons
5
Discovered
Claude François Geoffroy (1753)

Electron configuration of Bismuth

The electron configuration of Bismuth (Bi), with 83 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 5d¹⁰ 6s² 6p³
Short configuration
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
Last shell
6s² 6p³

What is electron configuration and how is it written?

Electron shells of Bismuth

Distribution of 83 electrons of Bismuth across shells K to P:

  1. K2
  2. L8
  3. M18
  4. N32
  5. O18
  6. P5

What is a metal?

The p-block metals (the post-transition metals) are usually softer than the transition metals and have lower melting points.

Uses of Bismuth

Frequently asked questions about Bismuth

What is the atomic number of Bismuth?

The atomic number of Bismuth (Bi) is 83; that is, every atom of it has 83 protons.

What is the electron configuration of Bismuth?

The electron configuration of Bismuth (Bi) is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 6s² 6p³; in short form it is [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³, and its last shell is 6s² 6p³.

What is the chemical symbol of Bismuth?

The chemical symbol of Bismuth is Bi.

Where is Bismuth located in the periodic table?

Bismuth is located in period 6 and group 15 and belongs to the “Metal” category.

What is the atomic mass of Bismuth?

The atomic mass of Bismuth is about 208.98 (atomic mass units).

What is the phase of Bismuth under normal conditions?

The phase of Bismuth under standard conditions is Solid.

What are the uses of Bismuth?

Uses of Bismuth include Stomach medications, Low-melting alloys and Fireworks.

Who discovered Bismuth?

Bismuth was discovered by Claude François Geoffroy in 1753.

Elements in the same category as Bismuth (Metal)

Aluminum (Al)Gallium (Ga)Indium (In)Tin (Sn)Thallium (Tl)Lead (Pb)Polonium (Po)Nihonium (Nh)Flerovium (Fl)Moscovium (Mc)Livermorium (Lv)

See all Post-transition metals

Bismuth’s group 15 neighbours

Nitrogen (N)Phosphorus (P)Arsenic (As)Antimony (Sb)Moscovium (Mc)

Group 15 of the periodic table