In this experiment, the ions in the salts were initially in the (ground, excited) state. When placed in the flame, the ions then (absorbed, emitted) energy as (electricity, heat, EM radiation). When this occurred, electrons made transitions from (low, high) energy levels to (low, high) energy levels. The ions were then in the (ground, excited) state. The electrons in these ions then made transitions from (low, high) energy levels to (low, high) energy levels, resulting in the (absorption, emission) of energy as (electricity, heat, EM radiation).
A) ground, absorbed, electricity, low, high, excited, low, high, absorption, heat
B) excited, emitted, EM radiation, high, low, ground, high, low, emission, electricity
C) ground, emitted, heat, high, low, excited, low, high, emission, EM radiation
D) excited, absorbed, electricity, low, high, ground, high, low, absorption, EM radiation