Question

State Mendeleev's Periodic Law. List two

important achievements of his classification

of elements.​

Answer 1

Answer:

Mendeleevs Periodic Law: Properties of elements are the periodic function of their atomic masses. Achievements:i It could classify all the elements discovered at that time. ii It helped in the discovery of new elements. iii it helped in the correction of the atomic mass of some of the elements.

Answer 2

Answer:

Answer

Explanation:

• Mendeleevs Periodic Law: Properties of elements are the periodic function of their atomic masses.Achievements:i It could classify all the elements discovered at that time.ii It helped in the discovery of new elements.iii it helped in the correction of the atomic mass of some of the elements.it was the first table in systematic order.
• gaps were left for some unknown elements.
• he also predicted the properties of some elements like eka boron eka aluminum. etc.

he left some column for noble gases