lanthanum

Meanings

• Noun

  A chemical element with the symbol La and atomic number 57. It is a soft, silvery-white, light rare-earth metal.

  - "Lanthanum is a member of the lanthanide series of elements."
  - "The element lanthanum was discovered in 1839 by Carl Gustav Mosander."

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Variants

List of all variants of lanthanum that leads to same result
lanthanum , lanthanums

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Etymology

origin and the way in which meanings have changed throughout history.

Derived from the name of the mineral lanthanite, which was discovered in 1838 in Sweden.

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Trivia

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1. Lanthanum is the third lightest of the rare-earth metals.

2. It has a melting point of 920°C and a boiling point of 3,464°C.

3. Lanthanum is used in the production of catalytic converters, rechargeable batteries, and phosphors.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. Rare-earth elements: A group of 17 elements in the periodic table, including lanthanum, that have similar chemical properties due to their partially filled 4f orbitals.

2. Lanthanides: The 15 elements in the lanthanide series of the periodic table, including lanthanum, which have the same number of 4f electrons in their outermost energy level.

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Culture

Any cultural, historical, or symbolic significance of the word. Explore how the word has been used in literature, art, music, or other forms of expression.

Lanthanum has no significant cultural, historical, or symbolic significance.

How to Memorize "lanthanum"

1. visualize
   

   - Imagine a soft, silvery-white metal with the atomic number 57.
   - Visualize the symbol La to represent lanthanum.

2. associate
   

   - Associate lanthanum with its symbol La.
   - Link it to the rare-earth elements and the lanthanides.

3. mnemonics
   

   - Use the mnemonic 'Lovely Apples Are Red' to remember the order of the first 15 rare-earth elements, with Lanthanum being the first.

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