atomic number 42
Definition
Noun: - A polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel. This is the chemical element with the atomic number 42, known by the symbol Mo.
Usage
The term "atomic number 42" is a precise scientific identifier. In most contexts, especially in chemistry, metallurgy, and engineering, the element is referred to by its common name, molybdenum. - The alloy's strength is due to the inclusion of atomic number 42. - Molybdenum (atomic number 42) is a key component in many high-strength steels.
Advanced Usage
- In Periodic Table Context: The phrase "atomic number 42" is used to unambiguously identify the element's position in the periodic table, which defines the number of protons in its nucleus.
- Elements are ordered on the periodic table by their atomic number; atomic number 42 is molybdenum.
Variants and Related Words
- Molybdenum (n): The common name for the element with atomic number 42.
- Moly (n): An informal abbreviation for molybdenum, often used in industry.
- Mo (n): The standard chemical symbol for molybdenum.
Synonyms
- Molybdenum: The direct and most frequently used synonym.
- Element 42: An alternative scientific designation.
Related Phrases
- Atomic weight of molybdenum: Refers to the average mass of atoms of this element.
- Molybdenum disulfide: A common compound (MoS₂) used as a lubricant.
- Molybdenum steel: A type of alloy steel strengthened with this element.
Noun
-
a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
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