The innermost electron shell of an atom can hold up to _____ electrons. The innermost electron shell of an atom can hold up to _____ electrons. A.18 B. 1 C. 32 D.2 8
The innermost electron shell of an atom can hold up to 2 electrons.
All the elements in the periodic table have only two electrons in their inner most shell. The only exception is hydrogen because it has only one electron.
