Answer:
See explanation
Explanation:
Electrons transition between energy levels in an atom due to gain or loss of energy. An electron may gain energy and move from its ground state to one of the accessible excited states. The electron quickly returns to ground state, emitting the energy previously absorbed as a photon of light. The wavelength of light emitted is measured using powerful spectrometers.
Atoms can be excited thermally or by irradiation with light of appropriate frequency.
It simply equals 4x-16.......
the expression is in lowest terms, so you can’t do anything else
B. reproduction doesn’t require mate
Answer:
D number of protons or atomic mass
