sentence2_structure: Valence<>is<>the term for the number of covalent bonds$$$the number of covalent bonds<>can form<>an atom
sentence1: that is, each silicon atom shares its four valence electronic with the four neighboring atoms, forming four covalent bonds.
sentence2: Valence is the term for the number of covalent bonds an atom can form.
question: What is the term for the number of covalent bonds an atom can form?