HARD
10th Kerala Board
IMPORTANT
Earn 100

Based on the hints given, find out the atomic number and write down the subshell electronic configuration of elements (Symbols used are not real).
i. A – period 3 group 17
ii. B – period 4 group 6

Important Questions on Periodic Table and Electronic Configuration

MEDIUM
10th Kerala Board
IMPORTANT
When the last electron of an atom was filled in the 3d subshell, the subshell electronic configuration was 3d8. Write the complete subshell electronic configuration of this atom.
MEDIUM
10th Kerala Board
IMPORTANT
When the last electron of an atom was filled in the 3d subshell, the subshell electronic configuration was 3d8. Write the atomic number of this atom.
MEDIUM
10th Kerala Board
IMPORTANT
When the last electron of an atom was filled in the 3d subshell, the sub-shell electronic configuration was 3d8. Write that the atom belongs to which block.
HARD
10th Kerala Board
IMPORTANT
When the last electron of an atom was filled in the 3d subshell, the sub-shell electronic configuration was 3d8. Write its period number.
MEDIUM
10th Kerala Board
IMPORTANT
When the last electron of an atom was filled in the 3d sub-shell, the subshell electronic configuration was 3d8. Write its group number.
MEDIUM
10th Kerala Board
IMPORTANT
Select out the wrong ones from the sub-shell electronic configuration given below.
HARD
10th Kerala Board
IMPORTANT
The element X in group 17 has 3 shells. If so, write the subshell electronic configuration of the element.
MEDIUM
10th Kerala Board
IMPORTANT
The element X in group 17 has 3 shells. If so, write the period number.