Chemistry
How is sodium chloride different from its constituent elements, sodium and chlorine in its properties? Justify.
Answer
The compound "sodium chloride" made up of sodium and chlorine. Sodium is a metal that is stored in kerosene oil as it reacts very fast with air and water. Chlorine is a reactive greenish yellow gas which is poisonous.
When these two elements combine chemically they form common salt, a non poisonous white solid substance that we use in our food to add taste and to obtain nutrition.
Related Questions
Name the elements which form water. State three characteristics of water to justify that it is a compound.
State four important characteristics of compounds.
(a) What are the four types of elements ? Name them.
(b) Give two examples of each type of the elements you have mentioned above.
Atoms of different kinds combine to form molecules of:
- an element
- a compound
- a mixture
- all of the above