1. Lithium has only two naturally occurring isotopes: lithium-6 and lithium-7. Lithium -6 has a mass of 6.01512 and makes up 7.42 percent of all naturally occurring lithium. Lithium -7 has a mass of 7.016 and makes up the remaining 92.58 percent. What is the atomic mass of lithium? (Show your calculations)
Hi there! Click one of our representatives below and we will get back to you as soon as possible.