Actinoid

Synonyms of actinoid

• actinian
• actinide
• actiniform

Collocations of actinoid

actinoid elements

Frequency: 75 %

The actinoid elements in the periodic table are located in the bottom row.

actinoid minerals

Frequency: 70 %

The actinoid minerals found in the region are highly radioactive.

actinoid series

Frequency: 60 %

The actinoid series of elements are known for their radioactive properties.

actinoid chemistry

Frequency: 50 %

Studying actinoid chemistry requires specialized knowledge due to their unique properties.

Idiomatic Expressions for actinoid

• Phrase: actinoid contraction
  Meaning: a phenomenon where the atomic radii of actinide elements are smaller than expected due to poor shielding of nuclear charge
  Usage: The actinoid contraction is responsible for the smaller atomic radii of actinide elements compared to their lanthanide counterparts.