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.

Question

Quizplus · Accepted Answer

A) This is true, as each element has a unique set of energy levels and electron configurations, which give rise to a characteristic emission spectrum.
B) This is also true - Bohr's model proposed that electrons in the hydrogen atom could only occupy certain energy levels, corresponding to specific distances from the nucleus.
C) This statement is also true - the uncertainty principle, formulated by Heisenberg, states that there is a fundamental limit to the precision with which we can simultaneously know the position and momentum of an electron (or any other particle).
D) This statement is also true - an orbital is a mathematical function that describes the probability of finding an electron at a particular location in an atom or molecule. The volume around the nucleus where the electron is most likely to be found is called the "electron density," and it corresponds to the shape of the orbital.

Which of the Following Statements Is True