A. They have a larger number of core electrons
B. Their electrons are assigned to s and p orbitals only.
C. Their electrons are placed in a higher number of orbitals.
D. They have more valence electrons available for bonding
![A They have a larger number of core electrons B Their electrons are assigned to s and p orbitals only C Their electrons are placed in a higher number of orbital class=](https://us-static.z-dn.net/files/d02/e7a046219994424e7c48696c8625cd83.png)