The number of protons represents the atomic mass
atomic number
atomic weight
atomic isotope

atomic number

Explanation:

atomic number = proton number = number of protons

atomic number

Explanation:

the transfer of energy between two molecules spaced just nanometers apart plays a key role in many technologies, including photovoltaics, quantum information systems, lighting, and sensors, as well as in biophysics to measure nanometer distances and in photosynthesis. but an open question in this area is what effect, if any, the surrounding photonic environment has on this nanoscale energy transfer. by designing and performing a carefully controlled experiment to answer this question, scientists have settled the debate and found clues to improving the efficiency of many of the technologies that rely on this process.

explanation:

1. a tropical dry forest carries out more rapid nutrient cycling