Question

Tell this periodic table puzzle????? ​

Answer 1

Explanation:

1.Ar

2.Si

3.Na

4.Pr

5.Co

6.Be

7.O

8.Fe

9.H

10.Ga

I think it may be your answer.

Answer 2

Answer:

(1)B  (2)D  (3)I  (4)G  (5)C  (6)F  (7)H  (8)A  (9)J  (10)E

(1)B - Si is a semi-metal (also known as metalloids)

(2)D - Nd Neodymium which is an element belonging to f-block.

(3)I - H produces +1 oxidation state which is the most commonly known oxidation state, also the -1 oxidation state which is known as Hydride ion(ex :- CaH₂-Calcium Hydride).

(4)G- O Oxygen's most stable oxidation state is -2

(5)C- Na Sodium belongs to the group 1 of the periodic table which are known as alkali metals.

(6)F- Be Beryllium belongs to the group 2 of the periodic table which are known as alkali earth metals.

(7)H- F Fluorine is an active non-metallic gas which belongs to group of halogens

(8)A- Ar Argon is a Nobel/rare gas which is inert due to its stable electronic configuration 1s²2s²2p⁶3s²3p⁶

(9)J- Gallium can produce +3 oxidation state due to presence of 3 valence electrons [ 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p¹ ]

(10)E - Co Cobalt