What affect does the principal quantum number n, have on the energy level and distance of the shell from the nucleus?
the larger the value of the principal quantum number , the higher the energy level and the further the shell from the nucleus
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What is the relationship between the 4s sub-shell and the 3d sub-shell?
the 4s sub-shell has a lower energy level then the 3d sub-shell
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According to the Aufbau principle when does the 4s sub-shell fill?
before the orbitals in the 3d sub-shell
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When does the 4p orbital begin to fill?
after the 3d orbital is full
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What is the electronic configuration of Potassium, K?
(^ indicates a subscript) 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1
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The Periodic Table is structured in blocks of 2,6,10 and 14 elements, linked to....
sub-shells
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What are the names of the blocks that the Periodic Table is structured in?
s-block, p-block, d-block, f-block
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Using the structured blocks, you can work out the electronic configurationof any element using the Periodic Table. Oxygen is the 4th element in the 2p-block. What would be its electonic configuration?
(^ indicates subscript) 1s^2 2s^2 2p^4
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How can the electronic configuration be abbreviated?
to show just the outer shell of the element
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When positive ions are formed, what happens to the electrons in the highest energy orbitals?
electrons are removed
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When negative ions are formed, what happens to the electrons in the highest energy orbitals?
electrons are added
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What would be the electronic configuration of an iron Fe, atom and an iron 2+ ion, Fe2+?
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