Question

Explain with Reasons.
1) Sodium is more reactive than aluminum.
2) Gold & Silver are used to make Jwellery.
3) Silver ornaments should not be worn in the laboratory.​

Answer 1

Explanation:

1. bea because sodium belongs to the group 1 of the periodic table which is known as alkali metal they have one extra electron in their valence shell so they can easily e donate there electron but in case of aluminium IIT belongs to group 13 which were not that much active because they can either donate 3 electron or take two electron
2. gold and silver are used to make jewellery because they belongs to the the d-block of the periodic table and they are metals so they have the property of malleability and ductility so they are used to make.
3. This is because in lab, one have to work with chemicals. Mostly all the ornaments are made of metals these metals can react with the chemicals. This reaction can be harmful for that person.