Greg has been given a small sample of metal. his teacher has assigned him to identify what type of metal he was given. which of the following is a physical property that will greg to identify the metal most accurately? a. ability to burn b. color c. ability to rust d. density

density

Explanation:

It won't be color. Many metals have the same color although if Greg was handed copper or gold they have pretty distinctive colors.

Not many metals burn. It depends on what you mean by burn. The alkali metals will burn when in contact with water. Not many ignite if you put a match them them.

Rusting is a singular property. I very few common ones rust.

I would pick density. Few metals have the same density.

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:

the correct answer should be false

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