Question

The electronic configuration of oxygen to calcuim <0.8,0.20>

Answer 1

Oxygen $^8O : 1s^22s^22p^4$

Fluourine $^9F : 1s^22s^22p^5$

Neon $^{10}Ne : 1s^22s^22p^6$

Sodium $^{11}Na : 1s^22s^22p^63s^1$

Magnesium $^{12}Mg : 1s^22s^22p^63s^2$

Aluminium $^{13}Al : 1s^22s^22p^63s^23p^1$

Silicon $^{14}Si : 1s^22s^22p^63s^23p^2$

Phosphorus $^{15}P : 1s^22s^22p^63s^23p^3$

Sulphur $^{16}S : 1s^22s^22p^63s^23p^4$

Chlorine $^{17}Cl: 1s^22s^22p^63s^23p^5$

Argon $^{18}Ar : 1s^22s^22p^63s^23p^6$

Potassium $^{19}K : 1s^22s^22p^63s^23p^64s^1$

Calcium $^{20}Ca : 1s^22s^22p^63s^23p^64s^2$