atomic number 48
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.)
Noun
-
a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
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