NEETChemistryClassification of Elements and Periodicity in Properties
Match the following.
Options
- Aarray llll A & B & C & D 4 & 3 & 2 & 1 array
- Barray llll A & B & C & D 3 & 4 & 1 & 2 array
- Carray llll A & B & C & D 2 & 1 & 4 & 3 array
- Darray llll A & B & C & D 4 & 3 & 1 & 2 array
Correct answer
B. array llll A & B & C & D 3 & 4 & 1 & 2 array
Step-by-step solution
Here is the correct matching: - (A) Rubidium is a Group 1 element, which belongs to the (3) s-block. - (B) Platinum is a transition metal with an atomic number of 78 , so it matches (4) Atomic number 78. - (C) Eka-silicon was the name given by Dmitri Mendeleev to an undiscovered element that he predicted would have properties similar to silicon. This element was later discovered and named (1) Germanium. - (D) Polonium is a chalcogen (Group 16 element) and is the only element of its group that is naturally (2) radio