When a gas or vapor is _______________ with electricity, the atoms absorb _____________ - in particular the ________________ absorb the energy. This causes the ___________________ to jump to a ____________________ energy level. Being unstable at the new energy level, the __________________ will ___________________ energy in the form of _________________ as they travel back to their original energy level.
A. Proton
B. Electron
C. Neutron
D. Higher
F. Lower
G. Light
H. Dark
I. Gain
J. Release
K. Heated
L. Cooled
M. Stable
N. Unstable
O. Energy
Answer: K O B B D B J G