Final answer:
The general valence electron configuration for alkaline earth elements is ns2.
Step-by-step explanation:
The general valence electron configuration for the alkaline earth elements is ns2. These elements include Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba), and Radium (Ra).
For example, the valence electron configuration for Calcium is 1s²2s²2p63s²3p64s². This means that Calcium has 2 valence electrons in its outermost shell, which is the 4s subshell.