Lithium has two naturally occurring isotopes: Li-6 (natural abundance 7.5%) and Li-7
Chapter 2, Problem 131(choose chapter or problem)
Lithium has two naturally occurring isotopes: Li-6 (natural abundance 7.5%) and Li-7 (natural abundance 92.5%). Using circles to represent protons and squares to represent neutrons, draw the nucleus of each isotope. How many Li-6 atoms would be present, on average, in a 1000-atom sample of lithium?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer