Which of the Following Statements Is TRUE

question 95

Multiple Choice

Which of the following statements is TRUE?

• A) The emission spectrum of a particular element is always the same and can be used to identify the element.
• B) Part of the Bohr model proposed that electrons in the hydrogen atom are located in "stationary states" or particular orbits around the nucleus.
• C) The uncertainty principle states that we can never know both the exact location and speed of an electron.
• D) An orbital is the volume in which we are most likely to find an electron.
• E) All of the above are true.

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Definitions:

Orbiting

The act of one object moving around another in a path called an orbit, due to gravitational forces.

Nucleus

The membrane-bound organelle found in eukaryotic cells that contains most of the cell's genetic material.

Electrons

Subatomic particles with a negative charge, orbiting the nucleus of an atom.

PET Scan

A medical imaging technique that helps reveal how tissues and organs are functioning by using a radioactive substance called a tracer.