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Q: How many protons are found in nucleus of Lithium?
  • A. 5
  • B. 3
  • C. 4
  • D. 2
Correct Answer: Option B - Lithium (Li) is the elements present in alkali metals. Atomic number of Li is 3 in which 3 protons and 4 neutrons are present.
B. Lithium (Li) is the elements present in alkali metals. Atomic number of Li is 3 in which 3 protons and 4 neutrons are present.

Explanations:

Lithium (Li) is the elements present in alkali metals. Atomic number of Li is 3 in which 3 protons and 4 neutrons are present.