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What is the electron configuration of Aluminum (Al) in ground state?

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Allen Cordero
Allen CorderoLv6
19 Jan 2021

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Related questions

(a) Give the complete electron configuration (1s22s22pā€¦) of aluminum in the ground state.

(b) The wavelength of the radiation emitted when the outermost electron of aluminum falls from the 4s state to the ground state is about 395 nm. Calculate the energy separation (in joules) between these two states in the Al atom.

(c) When the outermost electron in aluminum falls from the 3d state to the ground state, the radiation emitted has a wavelength of about 310 nm. Draw an energy-level diagram of the states and transitions discussed here and in (b). Calculate the separation (in joules) between the 3d and 4s states in aluminum. Indicate clearly which has higher energy.

a.) Consider the electron configuration of Al: (1s)^2(2s)^2(2p)^6(3s)^2(3p). Write down all possible terms describing this configuration. Which term describes the ground state of Al according to Hund

Which of the following statements are true?


True False The element with a ground state electron configuration of [Kr]5s24d105p5 has 7 valence electrons.

True False The ground state electron configuration for the undiscovered element 117 is [Rn]8s26f147d108p5.

True False The electron configuration of 1s22s22p63s23p64s13d2 is an excited state electron configuration for Ti.

True False If an element (abbreviated X) has a ground state electron configuration of [Ne]3s23p4, then the formula of the compound that X forms with sodium is Na2X.

True False The ground state electron configuration for Cr is [Ar]4s23d4.

True False The element with a ground state electron configuration of 1s22s22p63s1 is an alkali metal.

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