blue black element crossword clue – All Crossword Answers

Welcome to Crosswordanswer.co.uk! Here you'll find the most accurate and comprehensive solutions for the crossword clue "blue black element". We provide answers with clear explanations to help you complete your puzzle quickly.

Solutions for "blue black element crossword clue" by Letter Count

6 Letters

IODINE: A chemical element (I) that, in its solid state, forms lustrous, opaque, blue-black crystals. It's well-known for its distinctive appearance and common usage in crosswords.

More About "blue black element crossword clue"

The clue "blue black element" almost exclusively points to one specific chemical element: Iodine. Iodine, with the chemical symbol I and atomic number 53, is a halogen element. In its solid state, it forms dark, lustrous, blue-black crystals that are quite distinctive. This unique visual property makes it a popular choice for crossword setters looking for a concise yet specific descriptor.

Beyond its striking appearance, Iodine plays crucial roles in various applications. It is widely used as an antiseptic for wound disinfection, a component in some medical imaging agents, and is essential for thyroid hormone production in humans. Its historical discovery and common use in chemistry and medicine further cement its place in general knowledge, making it a fair game for crossword puzzles.

While other elements might exhibit dark or metallic properties, very few are consistently described with the "blue black" characteristic as prominently as Iodine. This consistency is why, when you encounter this clue, Iodine should be your primary consideration for the answer, especially when the letter count matches.

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Frequently Asked Questions

What makes Iodine appear blue-black?

Solid iodine forms dark, lustrous crystals that reflect light in a way that gives them a distinct metallic, blue-black appearance. When heated, it sublimates directly into a deep violet gas, which is another notable characteristic.

Is "blue black element" a common crossword clue?

Yes, it's a very common and classic clue in crosswords across various publications. Its uniqueness and widespread recognition make it a popular choice for puzzle constructors, almost exclusively pointing to Iodine.

Are there other elements that could fit this description?

While some other elements or compounds might appear dark (e.g., some transition metals or minerals), IODINE is the universally accepted and most frequent answer for "blue black element" in crosswords because of its distinctive crystalline structure and common knowledge associated with its appearance and properties.