2. Atoms & Elements
Atomic Mass
2. Atoms & Elements Atomic Mass
5PRACTICE PROBLEM
The atomic weight of magnesium is 24.304 amu. The natural isotopes of magnesium are: 24Mg (23.985 amu), 25Mg (24.985 amu), and 26Mg (25.983 amu). If the natural abundance of 26Mg is 11.0%, calculate the natural abundance of the remaining isotopes.
The atomic weight of magnesium is 24.304 amu. The natural isotopes of magnesium are: 24Mg (23.985 amu), 25Mg (24.985 amu), and 26Mg (25.983 amu). If the natural abundance of 26Mg is 11.0%, calculate the natural abundance of the remaining isotopes.