atomic number 54
Definition
- Noun:
- A colorless, odorless, inert gaseous element occurring in the earth's atmosphere in trace amounts: "Atomic number 54" is the scientific term for the chemical element xenon (Xe), which is a noble gas found in very small quantities in the air.
Usage Examples
- Noun:
- The lamp was filled with atomic number 54 to produce a bright blue light.
- Scientists studied the properties of atomic number 54 in the laboratory.
Advanced Usage
- Scientific and Technical Contexts: The term "atomic number 54" is primarily used in formal scientific, educational, and technical writing to specify the element xenon by its fundamental property—the number of protons in its nucleus.
- The periodic table lists xenon at atomic number 54.
Variants and Related Words
- Xenon (Xe): The common name for the element with atomic number 54.
- Xenon is used in certain types of photographic flashes.
- Noble Gas: The category of elements to which atomic number 54 belongs, characterized by being generally unreactive.
- Helium, neon, and atomic number 54 are all noble gases.
Synonyms
- Xenon: The direct synonym and common name for atomic number 54.
Related Phrases
- Trace Gas: A phrase describing the occurrence of atomic number 54 in the atmosphere.
- Atomic number 54 is considered a trace gas in Earth's atmosphere.
Noun
-
a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
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