Electronic Configuration
From Nitrogen (N) to Magnesium (Mg)
Electronic configuration of Nitrogen

Atomic number of nitrogen = 7.

Therefore number of electrons = 7

Thus, electronic configuration of nitrogen is

Number of orbit in nitrogen = 2

Chapter List
Matter
Mixture
Atoms-molecule
structure of Atoms
Cell
Tissue
Living Organism
Motion
Force & Law of motion
Gravitation
Work & Energy
Sound
Health Disease
NaturalResources
Food Production
Electronic configuration of Oxygen
Atomic number of oxygen = 8.

Therefore number of electrons = 8.

Thus, electronic configuration of oxygen is

Number of orbit in oxgyen = 2

Electronic configuration of Fluorine
Atomic number of fluorine = 9

Therefore number of electrons = 9

Thus, electronic configuration of fluorine is

Number of orbit in fluorine = 2

Electronic configuration of Neon
Atomic number of neon = 10

Therefore number of electrons = 10

Thus, electronic configuration of neon is

Number of orbit in Neon = 2

Electronic configuration of Sodium
Atomic number of sodium = 11

Therefore number of electrons = 11

Since, in ^{2nd} orbit the maximum number of electrons is equal to 8 and there are 11 electrons in sodium atom, thus the eleventh electron will go in third orbit.

Thus, electronic configuration of sodium is

Number of orbit in sodium = 3

Electronic configuration of Magnesium

Atomic number of magnesium = 12
Therefore number of electrons = 12

Thus, electronic configuration of magnesium is

Number of orbit in magnesium = 3.