11 Rubidium is in Group I of the Periodic Table and bromine is in Group VII Rubidium reacts with bromine to form an ionic compound, Which row shows the electron change taking place for rubidium and the correct formula of the rubidium ion? electron change formula of ion formed A electron gained RB B electron gained RB C electron lost RB • D electron lost RB
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In atomic physics and quantum chemistry, the electron configuration is the distribution/ arrangement of electrons of an atom or molecule in atomic or molecular orbitals. For example, the electron configuration of the neon atom is 1s² 2s² 2p⁶, using the notation explained below.
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