atomic number 66
Học thuậtThân thiện
A scientist points to the atomic number 66 on a large, clear periodic table poster.
Definition
- Noun:
- A chemical element: "atomic number 66" is the scientific term for the chemical element with 66 protons in its atomic nucleus. It is a hard, silvery-white, trivalent metallic element belonging to the lanthanide series (rare earth group). Its compounds are known for being highly magnetic.
Usage Examples
- Noun:
- The magnet was made using a compound containing atomic number 66.
- Atomic number 66 is extracted from minerals like monazite and bastnäsite.
- In the periodic table, atomic number 66 is placed between terbium (65) and holmium (67).
Advanced Usage
- In Materials Science: The element is noted for its exceptional magnetic properties, especially at low temperatures.
- Alloys incorporating atomic number 66 are critical for manufacturing high-strength permanent magnets used in advanced technologies.
Variants and Related Words
- Dysprosium (Dy): This is the common name and chemical symbol for the element defined by atomic number 66. All usage examples for "atomic number 66" can be substituted with "dysprosium".
- Dysprosium has a high thermal neutron absorption cross-section, making it useful in nuclear reactor control rods.
Synonyms
- Dysprosium: The standard name for the element.
- Element 66: A less formal scientific synonym.
- Rare earth metal: A categorical term describing its group, though it specifies the group, not the individual element.
Related Phrases/Idioms
(This term is a specific scientific identifier and is not used in idiomatic or phrasal verb constructions.)
A scientist points to the atomic number 66 on a large, clear periodic table poster.
Noun
- a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic