This test is run by guest.
Note that your final mark will not be saved in the system.

Atomic structure Reorder

Target Level
C
Running Total
0
0%
Attempt
1 of 3

Drag and drop the boxes into the correct order.



  • 3s
  • 1s
  • 2s
  • 3d
  • 3p
  • 2p

This is your 1st attempt! The marking algorithm gives more marks for getting the right order first time.

Pass Mark
70%