1) Line emission spectra's
give a unique spectra to each elements. Explain how they arise. Use
the following terms in your answer: [4]
Excited
Emit
Energy
Light
Frequency
absorb Energy level
2) The picture shows part of
a spectra for an element.
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a) What do you notice about the
spectral lines as you move to the left? [1] b) Explain how this spectra has
changed the structure of the atom. [1]
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3) Sketch an energy level
diagram showing the first 3 principle quantum numbers and write on how many
electrons each energy level can hold. [4]
4) The following question is
about atomic orbitals:
a) What is an atomic orbital? [1]
b) What is the maximum amount of electrons in an orbital? [1]
c)
How can 2 electrons occupy the same orbital when they both have a negative
charge? [1]
d)
What can you say about the electron density of an orbital containing 2
electrons rather than 1 electron? [1]