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27 Jun 2020

Which of the following electron configurations represent an alkali metal in its ground state?

(a) 1s22s22p6

(b) 1s22s22p63s1

(c) 1s22s22p63s2

(d) 1s22s22p63s23p5

 

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Related questions

Which among the electron configurations a) 1s22s23p1, and b) 1s22s22p6 correspond to an excited state, and what is the element and its ground-state electron configuration?

The atomic number of an atom defines its identity. However, it is the configuration of the electrons surrounding the nucleus that determines the chemical behavior of an atom. Examine the following electron configurations, then group them in pairs that would indicate similar chemical properties of the corresponding atoms. Then, explain in your own words, why your paired atoms would have similar chemical properties.

a) 1s22s22p63s2

b) 1s22s22p3

c) 1s22s22p63s23p64s23d104p6

d) 1s22s2

e) 1s22s22p6

f) 1s22s22p63s23p3

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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