i. Mendeleev’s periodic table is more useful because it gives information about known and unknown elements. ii. Mendeleev arranged elements

Question

State whether the following statements are True or False. Rewrite the correct statement:

i. Mendeleev’s periodic table is more useful because it gives information about known and unknown elements.

ii. Mendeleev arranged elements in the increasing order of their atomic masses.

iii. Mendeleev was the first who successfully classified all known elements.

iv. In the modern periodic table, properties of the elements are a periodic function of their atomic numbers.

v. The d-block elements are called transition elements.

Answer 1

i. True.

ii. True.

iii. True.

iv. True.

v. True.