1.2 - The bohr model and emission/absorption spectra Flashcards
What is the Bohr model?
The Bohr model is an atomic diagram depicting the nucleus in the middle, while electrons orbit the nucleus in circular paths.
What is a valence electron (e−)?
Valence electrons (e−) are electrons in an atom that are the in the furthest orbital(s) from the nucleus.
What is a core electron (e−)?
Core electrons (e−) are all the electrons in an atom that are not considered valence electrons.
What does “n = 1, 2, 3, 4, etc..” represent?
The energy level of the electron orbital.
The smaller the electron orbital:
The closer to the Nucleus it is, and the lower the energy level.
The larger the electron orbital:
The further from the nucleus it is, and the higher the energy level.
What happens when an electron absorbs energy (photon)?
It ascends to a higher energy level.
What happens when an electron emits energy (photon)?
it drops to a lower energy level.
What is the term we use to refer to electrons that are above the “n = 1” energy level?
Electrons that are above the “n = 1” energy level are considered to be in an “excited state”.
What is the term we use to refer to electrons that are sitting in the “n = 1” energy level?
Electrons that are sitting in the “n = 1” energy level are considered to be in a “ground state”.
Do excited state electrons that drop from “n = 6” back down to “n = 1” release a different wavelength of a photon compared to if an excited state electron in “n = 2” drops down to “n = 1”? If yes/no, explain why?
Yes, because energy emmision is directly correlated to energy absorbtion. If an electron absorbs more energy and ascends to a higher energy state, it will emit more energy when it drops back down to a lower energy state. Energy emission is directly correlated to the wavelength of a photon.
What is the inversly proportional relationship between the emission spectrum of photon wavelength compared to photon energy?
The higher the energy emission of the photon, the shorter the wavelength. The lower the energy emission of the photon, the longer the wavelength.
