Advertisements
Advertisements
प्रश्न
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
Advertisements
उत्तर
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.
संबंधित प्रश्न
When carbon dioxide is passed through lime water, it turns milky due to the formation of ______.
How do the following help in bringing about a chemical change?
pressure.
TRUE \ FALSE
Copper can displace iron from iron sulphate.
What are chemical reactions?
What do you understand by 'chemical reaction'?
Give an example of the following chemical changes.
A reaction where colour change is noticed.
What do you observe when CO2 is passed through lime water first and then a little in excess.
A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?
Chemical changes are important in our day-to-day life. Give examples.
Define the following term:
Chemical change
