气氛

Mnemonic symbol: a balloon. The Queen of Hearts is disappointed by her balloons. She expected them to float upwards, but in the space station's bathroom, They float randomly in all directions.

氛 = 分 + 气 : Frankenstein's Monster (f) is taking his revenge on the humans who betrayed him. In front of the encampment ((e)n1) he fills vile gas (氛) in balloons (气) and releases them. By observing their altitude and measuring the time using a stopwatch (分), he can calculate when they will reach the stratosphere.