Enter the electron configuration for Sr2 Sr2 . Express your answer as a series of orbitals. For example, the electron configuration of Li would be entered in complete form as 1s^22s^1 or in condensed form as [He]2s^1.

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space