Johan August Arfwedson (12 January 1792 – 28 October 1841) was a Swedish chemist. He discovered lithium in 1817 by isolating it as a salt.
Johan August Arfwedson
Questions and Answers
Q: Who was Johan August Arfwedson?
A: Johan August Arfwedson was a Swedish chemist.
Q: When was Johan August Arfwedson born?
A: Johan August Arfwedson was born on 12 January 1792.
Q: What did Johan August Arfwedson discover?
A: Johan August Arfwedson discovered lithium in 1817 by isolating it as a salt.
Q: What is lithium?
A: Lithium is a chemical element with symbol Li and atomic number 3.
Q: How did Johan August Arfwedson isolate lithium?
A: Johan August Arfwedson isolated lithium as a salt.
Q: When did Johan August Arfwedson die?
A: Johan August Arfwedson died on 28 October 1841.
Q: What is the significance of Johan August Arfwedson's discovery?
A: Johan August Arfwedson's discovery of lithium was significant because it was a new element that had not been previously identified and has since been used in various applications, including in batteries and medicine.