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Berkelium (Bk)

Element with atomic number 97, category: Actinide, a solid at room temperature.

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Element 97 of 118

Actinide

Bk

Berkelium

Group 11, Period 7 (actinide series)

Atomic Number
97
Atomic Mass
247 u
State at Room Temperature
Solid

Common Uses

Research

Electron Diagram

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About Berkelium

Berkelium is a chemical element with the symbol Bk and atomic number 97, meaning every atom has 97 protons in its nucleus. It is classed as Actinide and is a solid at room temperature. Its atomic mass is about 247 atomic mass units (u).

On the periodic table, Berkelium sits in group 11, period 7 (actinide series), which determines how many electron shells it has and how it tends to react with other elements.

Uses of Berkelium

In daily life and industry, Berkelium is used for Research. These uses are closely tied to the typical properties of elements in the Actinide category.

Electron Structure of Berkelium

Using a simplified electron shell model (at most 2 electrons in the first shell, 8 in the second, 18 in the third, and so on), Berkelium has 6 electron shells, with an approximate arrangement of 2, 8, 18, 32, 32, 5 electrons from the innermost shell to the outermost. This is a simplified learning model, not the full electron configuration that accounts for the s, p, d and f subshells.

Explore Other Elements

Want to see another element or try the element symbol quiz? Go back to the Interactive Periodic Table to explore all 118 chemical elements.

Frequently Asked Questions

The chemical symbol of Berkelium is Bk, with atomic number 97 and an atomic mass of about 247 u.
Berkelium is in the Actinide category and is a solid at room temperature.
Berkelium is in group 11, period 7 (actinide series) of the periodic table.
Berkelium is commonly used for Research.
Using the simplified Bohr model, Berkelium has 6 electron shells, with an approximate arrangement of 2, 8, 18, 32, 32, 5 electrons from the innermost shell to the outermost.