Answer:
Li - [tex]1s^22s^1[/tex]
Al - [tex]1s^22s^22p^63s^23p^1[/tex]
Ca - [tex]1s^22s^22p^63s^23p^64s^2[/tex]
Bi - [tex]1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2 4p^6 4d^{10} 5s^2 5p^6 4f^{14} 5d^{10} 6s^2 6p^3[/tex]
Explanation:
1.)Li=1s²2s1
2.)Al=1s²2s²2p⁶3s²3p¹
3.)Ca= 1s²2s²2p⁶3s²3p⁶4s²
4.)Sb= 1s²2s²2p⁶3s²3p⁶4s²
5.)Bi=1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f¹⁴5d¹⁰6s²6p³
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