교과서 질문Take a guess. What do you think is a likely ground-state electron configuration for the sodium ion, Na+, formed by loss of an electron from a neutral sodium atom?601views
교과서 질문(d) Treating bismuth with fluorine gas forms BiF5. Use the electron configuration of Bi to explain the formation of a compound with this formulation.678views
미해결 질문If the following elements were to form ions, they would attain the same number of electrons as which noble gas?1182views