Question
Which pair of elements has atoms with the same number of valence electrons?
1. potassium (K) and bromine (Br)
2. astatine (At) and radon (Rn)
3. indium (In) and lead (Pb)
4. silicon (Si) and germanium (Ge)
1. potassium (K) and bromine (Br)
2. astatine (At) and radon (Rn)
3. indium (In) and lead (Pb)
4. silicon (Si) and germanium (Ge)
Answers
GPT 3.5
4. silicon (Si) and germanium (Ge)