The ground state configuration for an element is 1s²2s²2p⁶3s²3p¹.What is the atomic number of the element? A)11 B)9 C)24 D)13

Name: The ground state configuration for an element is 1s 2 2s 2 2p 6 3s 2 3p 1 .What is the atomic number of the element? A)11 B)9 C)24 D)13
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The electron configuration can be translated to: 1s2 2s2 2p6 3s2 3p1. The number of electrons in the outermost shell is 3, therefore this element has an atomic number of 13, which is aluminum (Al).

The Ground State Configuration for an Element Is 1s22s22p63s23p1

The Ground State Configuration for an Element Is 1s²2s²2p⁶3s²3p¹