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Chemistry for Today: General, Orga...

9th Edition
Spencer L. Seager + 2 others
ISBN: 9781305960060

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Chapter
Section
BuyFindarrow_forward

Chemistry for Today: General, Orga...

9th Edition
Spencer L. Seager + 2 others
ISBN: 9781305960060
Textbook Problem

Write an electronic configuration for each of the following elements, using the form 1 s 2 2 s 2 2 p 6 , and so on. Indicate how many electrons are unpaired in each case.

a. element number 37

b. Si

c. titanium

d. Ar

Interpretation Introduction

(a)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Explanation

Electronic configuration tells about the number of electrons present in each subshell and orbit of an atom.

The given atomic number of an element is 37 respectively. Rubidium is an element whose atomic number is 37. The electronic configuration of an element is 1s22s22p63

Interpretation Introduction

(b)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(c)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

Interpretation Introduction

(d)

Interpretation:

The electronic configuration for given element is to be stated. The number of unpaired electrons present in an element is to be indicated.

Concept introduction:

The elements in a modern periodic table are arranged in an increasing order of their atomic number. In the modern periodic table, the horizontal rows are known as periods, whereas vertical columns are known as groups. There are 7 periods and 18 groups in a modern periodic table.

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