atomic number 57 Antonyms

No Synonyms and anytonyms found

Meaning of atomic number 57

Wordnet

atomic number 57 (n)

a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth

atomic number 57 Sentence Examples

1. Lanthanum, with an atomic number of 57, is a silvery-white metal belonging to the lanthanide group.
2. The element with an atomic number of 57 is used in alloys, catalysts, and high-intensity lighting sources.
3. Atomic number 57 is assigned to the rare earth metal lanthanum, a rare element found primarily in minerals.
4. Lanthanum, characterized by atomic number 57, exhibits pyrophoric properties, igniting spontaneously when exposed to air.
5. Alloys containing element 57 (lanthanum) are known for their increased strength, toughness, and corrosion resistance.
6. The emission spectrum of the element with atomic number 57 produces characteristic blue-green lines.
7. Lanthanum, with its unique atomic number of 57, finds applications in electron microscopy, X-ray imaging, and other scientific fields.
8. Isotopes of atomic number 57, such as lanthanum-139, are used as tracers in medical imaging and research.
9. The chemical reactivity of the element with atomic number 57 is attributed to its three valence electrons.
10. The high atomic number of 57 indicates that lanthanum possesses a large number of protons and neutrons within its nucleus.

FAQs About the word atomic number 57

What is the meaning of the word atomic number 57

a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth

What are the synonyms of the word atomic number 57

No synonyms found.

What are the antonyms of the word atomic number 57

No antonyms found.

What is the usage of word atomic number 57

Lanthanum, with an atomic number of 57, is a silvery-white metal belonging to the lanthanide group.

The element with an atomic number of 57 is used in alloys, catalysts, and high-intensity lighting sources.

How to use the word atomic number 57 in a sentence?

Atomic number 57 is assigned to the rare earth metal lanthanum, a rare element found primarily in minerals.

Lanthanum, characterized by atomic number 57, exhibits pyrophoric properties, igniting spontaneously when exposed to air.