Question

Show with the heip of diagram of electronic configuration how the following compound are formed from the constituent atoms.
a. Sodium chloride
b. Potassium fluoride
c.Water
d. Hydrogen chloride

Answer 1

a. Sodium chloride :

Step 1 : Write the symbols of the radicals.
Na Cl
Step 2 : Write the valency below the respective radical.
Na Cl
1 1
Step 3 : Cross-multiply symbols of radicals with their respective valency.


Step 4 : Write down the chemical formula of the compound.

NaCl




b. Potassium fluoride :

Step 1 : Write the symbols of the radicals.
K F
Step 2 : Write the valency below the respective radical.
K F
1 1
Step 3 : Cross-multiply symbols of radicals with their respective valency.


Step 4 : Write down the chemical formula of the compound.

KF




c.Water :

Step 1 : Write the symbols of the radicals.
H O
Step 2 : Write the valency below the respective radical.
H O
1 2
Step 3 : Cross-multiply symbols of radicals with their respective valency.


Step 4 : Write down the chemical formula of the compound.

H₂O



d. Hydrogen chloride :

Step 1 : Write the symbols of the radicals.
H Cl
Step 2 : Write the valency below the respective radical.
H Cl
1 1
Step 3 : Cross-multiply symbols of radicals with their respective valency.


Step 4 : Write down the chemical formula of the compound.

HCl