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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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Section
BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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To which element does each of the following electron configurations correspond?

msp;  a .  1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 4 s 2 3 d 1 0 4 p 4 b .  1 s 2 2 s 2 2 p 6 4 s 2 3 d 1 c .  1 s 2 2 s 2 2 p 6 3 s 2 3 p 4 d .  1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 4 s 2 3 d 1 0 4 p 6 5 s 2 4 d 1 0 5 p 5

(a)
Interpretation Introduction

Interpretation:

To identify the element with 1s2, 2s2, 2p6, 3s2, 3p2, 4s2, 3d10, 4p4 electronic configuration.

Concept Introduction:

Electronic configurations indicate the total number of electrons in an atom. In a neutral atom, the number of electrons is always equal to number of protons. Hence electronic configuration expresses the atomic number (number of protons) in an atom.

Explanation

The electronic configuration of any element gives total number of electrons in an atom. A neutral atom has same number of electrons and protons so number of electrons is equal to atomic number.

We can identify the element with the help of its atomic number. In electronic configuration, the total number of electrons is the sum of the number given in superscript of each orbital...

(b)
Interpretation Introduction

Interpretation:

To identify the element with 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1 electronic configuration.

Concept Introduction:

Electronic configurations indicate the total number of electrons in an atom. In a neutral atom, the number of electrons is always equal to number of protons. Hence electronic configuration expresses the atomic number (number of protons) in an atom.

(c)
Interpretation Introduction

Interpretation:

To identify the element with 1s2, 2s2, 2p6, 3s2, 3p4 electronic configuration.

Concept Introduction:

Electronic configurations indicate the total number of electrons in an atom. In a neutral atom, the number of electrons is always equal to number of protons. Hence electronic configuration expresses the atomic number (number of protons) in an atom.

(d)
Interpretation Introduction

Interpretation:

To identify the element with 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 5p5 electronic configuration.

Concept Introduction:

Electronic configurations indicate the total number of electrons in an atom. In a neutral atom, the number of electrons is always equal to number of protons. Hence electronic configuration expresses the atomic number (number of protons) in an atom.

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