An electron configuration of 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 represents which element?A) MgB) CaC) SrD) None; the configuration is incorrect for any element.

Question

An electron configuration of 1s 2  2s 2  2p 6  3s 2  3p 6  4s 2  represents which element?A) MgB) CaC) SrD) None; the configuration is incorrect for any element.

Marian Rollin · Accepted Answer

Final Answer : B, Explanation :  The electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² corresponds to the element Calcium (Ca), which has an atomic number of 20.

An electron configuration of 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² represents which element?

A) Mg
B) Ca
C) Sr
D) None; the configuration is incorrect for any element.

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Related questions

An electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 represents which element?A) MgB) CaC) SrD) None; the configuration is incorrect for any element.

Definitions

Learning Objectives

Learning Objectives

Related questions

An electron configuration of 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² represents which element?

A) Mg
B) Ca
C) Sr
D) None; the configuration is incorrect for any element.