sentence2_structure: Valence<>is<>the term for the number of covalent bonds$$$the number of covalent bonds<>can form<>an atom
sentence1: Semiconductors typically contain silicon or germanium (green) , elements with four valence electrons, which form the covalent bonds between atoms.
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?