atomic number 49

Thân thiện

A scientist holds a small sample of atomic number 49 in a laboratory.

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.

Học thuật

Noun

1. a rare soft silvery metallic element; occurs in small quantities in sphalerite

Từ đồng nghĩa

• indium
• In