What is the atomic number of lanthanum?
Understand the Problem
The question is asking for the atomic number of lanthanum, which is a specific element in the periodic table. The atomic number represents the number of protons in the nucleus of an atom of that element.
Answer
57
The atomic number of lanthanum is 57
Answer for screen readers
The atomic number of lanthanum is 57
More Information
Lanthanum is categorized as a lanthanide and is a soft, ductile, silvery-white metal.
Tips
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Sources
- Lanthanum - Wikipedia - en.wikipedia.org
- Lanthanum - Element information, properties and uses | Periodic Table - rsc.org
- Lanthanum (La) - Periodic Table - periodictable.one
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