atomic number 48

Thân thiện

A scientist points to the atomic number 48 on a large periodic table poster.

Definition

Noun: 1. A chemical element: "Atomic number 48" is the scientific designation for the metallic element cadmium. The term specifies the element uniquely by the number of protons in its nucleus. 2. Cadmium: This is the common name for the element defined by atomic number 48. It is a soft, bluish-white, toxic metal.

Usage

• Scientific Context: The term "atomic number 48" is used primarily in scientific, technical, and educational contexts to identify the element cadmium precisely, especially in chemistry and physics.
  • The periodic table lists cadmium with the symbol Cd and atomic number 48.
  • An element with atomic number 48 has 48 protons in its atomic nucleus.

Advanced Usage

• In Formulas and Notation: The atomic number may be written as a subscript before the element symbol in nuclear notation (e.g., ₄₈Cd) to denote a specific isotope or in general references.

Variants and Related Words

• Cadmium (Cd): The common name and chemical symbol for the element.
• Metallic element: The category to which atomic number 48 belongs.

Synonyms

• Cadmium
• Cd (chemical symbol)

Related Phrases/Idioms

(This term is a scientific identifier and is not used in idiomatic expressions.)

Học thuật

Noun

1. a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores

Từ đồng nghĩa

• cadmium
• Cd