Problems and exercisesTwo Electrons
1. What will happen to beryllium?
Beryllium (Z = 4) has the configuration 1s2 2s2. How can it reach the configuration of helium?
2. Li and Li+
Why is the Li+ ion much smaller than the lithium atom?
Beryllium (Z = 4) has the configuration 1s2 2s2. How can it reach the configuration of helium?
Why is the Li+ ion much smaller than the lithium atom?