atomic number 49
Definition
Noun: A rare, soft, silvery-white metallic element with the chemical symbol In and atomic number 49. It is a post-transition metal found in very small amounts in zinc ores like sphalerite.
Usage
Atomic number 49 is the formal, scientific identifier for the element indium. * The researcher analyzed a sample containing atomic number 49. * Atomic number 49 is used to make transparent conductive coatings for displays.
Advanced Usage
- In materials science, compounds containing atomic number 49 are studied for their semiconductor properties.
- The isotope indium-111 (¹¹¹In), which has atomic number 49, is used in nuclear medicine for diagnostic imaging.
Variants and Related Words
- Indium (In): The common name for the element with atomic number 49.
- Sphalerite: The primary zinc ore in which traces of atomic number 49 (indium) are found.
Synonyms
- Indium (In)
Related Terms
- Post-transition metal: The category of metallic elements to which atomic number 49 (indium) belongs.
- Trace element: Describes how atomic number 49 (indium) occurs in nature, in very small quantities.
Noun
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a rare soft silvery metallic element; occurs in small quantities in sphalerite
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