The range of wavelengths for visible litis.

400-700 nm

Explanation:

While the actual answer is 380 to 700 nm, that is the closest to it.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

the answer is c. it will give up it's valence electron to the other atom.