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

Atomic structure Reorder

Target Level

Running Total

Attempt

1 of 3

Drag and drop the boxes into the correct order.

Arrange these subshells in order of decreasing energy.

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

Pass Mark

70%