Answer:
Carbon
The atomic number of carbon is 6. The electronic configuration of carbon is
C(Z = 6) = 1s2 2s2 2p2
The distribution of electrons in the carbon atom is as follows:
- In the first orbit or K-shell = 2 electrons
- In the second orbit or L-shell = 4 electrons
Or, we can write the distribution of electrons in a carbon atom as 2, 4.
Sodium
The atomic number of sodium is 11 and the electronic configuration of sodium is,
Na(Z = 11) = 1s2 2s2 2p6 3s1
The distribution of electrons in the sodium atom is as follows:
- In the first orbit or K-shell = 2 electrons
- In the second orbit or L-shell = 8 electrons
- In the third orbit or M-shell = 1 electron
Or, we can write the distribution of electrons in a sodium atom as 2, 8, 1.
