Question
Chapter 5, Problem 1CE
Interpretation Introduction

Interpretation:

The criterion according to which the elements are arranged in a modern periodic table is to be stated.

Concept introduction:

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

Expert Solution & Answer
Check Mark

Answer to Problem 1CE

The elements are arranged according to increasing atomic number in a periodic table.

Explanation of Solution

According to Moseley, it was better to define elements on the basis of nuclear charge rather than atomic mass. As due to nuclear charge, a more regular pattern in the properties was observed. The elements are therefore arranged according to atomic number in the modern periodic table. The modern periodic law states that, “ properties of elements recur in a repeating pattern when arranged according to increasing atomic number.”

Conclusion

According to modern periodic law, elements are categorized on the basis of atomic number.

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Chapter 5 Solutions

Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Introductory Chemistry: Concepts and Critical Thinking (8th Edition)

Ch. 5 - Prob. 11CECh. 5 - Prob. 12CECh. 5 - Prob. 13CECh. 5 - Prob. 14CECh. 5 - Prob. 1KTCh. 5 - Prob. 2KTCh. 5 - Prob. 3KTCh. 5 - Prob. 4KTCh. 5 - Prob. 5KTCh. 5 - Prob. 6KTCh. 5 - Prob. 7KTCh. 5 - Prob. 8KTCh. 5 - Prob. 9KTCh. 5 - Prob. 10KTCh. 5 - Prob. 11KTCh. 5 - Prob. 12KTCh. 5 - Prob. 13KTCh. 5 - Prob. 14KTCh. 5 - Prob. 15KTCh. 5 - Prob. 16KTCh. 5 - Prob. 17KTCh. 5 - Prob. 18KTCh. 5 - Prob. 19KTCh. 5 - Prob. 20KTCh. 5 - Prob. 21KTCh. 5 - Prob. 22KTCh. 5 - Prob. 23KTCh. 5 - Prob. 1ECh. 5 - Prob. 2ECh. 5 - Prob. 3ECh. 5 - Prob. 4ECh. 5 - Prob. 5ECh. 5 - Prob. 6ECh. 5 - Prob. 7ECh. 5 - Prob. 8ECh. 5 - Prob. 9ECh. 5 - Prob. 10ECh. 5 - Prob. 11ECh. 5 - Prob. 12ECh. 5 - Prob. 13ECh. 5 - Prob. 14ECh. 5 - Prob. 15ECh. 5 - Prob. 16ECh. 5 - Prob. 17ECh. 5 - Prob. 18ECh. 5 - Prob. 19ECh. 5 - Prob. 20ECh. 5 - Prob. 21ECh. 5 - Prob. 22ECh. 5 - Prob. 23ECh. 5 - Prob. 24ECh. 5 - Prob. 25ECh. 5 - Prob. 26ECh. 5 - Prob. 27ECh. 5 - Prob. 28ECh. 5 - Prob. 29ECh. 5 - Prob. 30ECh. 5 - Prob. 31ECh. 5 - Prob. 32ECh. 5 - Prob. 33ECh. 5 - Prob. 34ECh. 5 - Prob. 35ECh. 5 - Prob. 36ECh. 5 - Prob. 37ECh. 5 - Prob. 38ECh. 5 - Prob. 39ECh. 5 - Prob. 40ECh. 5 - Prob. 41ECh. 5 - Prob. 42ECh. 5 - Prob. 43ECh. 5 - Prob. 44ECh. 5 - Prob. 45ECh. 5 - Prob. 46ECh. 5 - Prob. 47ECh. 5 - Prob. 48ECh. 5 - Prob. 49ECh. 5 - Prob. 50ECh. 5 - Prob. 51ECh. 5 - Prob. 52ECh. 5 - Prob. 53ECh. 5 - Prob. 54ECh. 5 - Prob. 55ECh. 5 - Prob. 56ECh. 5 - Prob. 57ECh. 5 - Prob. 58ECh. 5 - Prob. 59ECh. 5 - Prob. 60ECh. 5 - Prob. 61ECh. 5 - Prob. 62ECh. 5 - Prob. 63ECh. 5 - Prob. 64ECh. 5 - Prob. 65ECh. 5 - Prob. 66ECh. 5 - Prob. 67ECh. 5 - Prob. 68ECh. 5 - Prob. 69ECh. 5 - Prob. 70ECh. 5 - Prob. 71ECh. 5 - Prob. 72ECh. 5 - Prob. 73ECh. 5 - Prob. 74ECh. 5 - Prob. 75ECh. 5 - Prob. 76ECh. 5 - Prob. 77ECh. 5 - Prob. 78ECh. 5 - Prob. 79ECh. 5 - Prob. 80ECh. 5 - Prob. 81ECh. 5 - Prob. 82ECh. 5 - Prob. 83ECh. 5 - Prob. 84ECh. 5 - Prob. 85ECh. 5 - Prob. 86ECh. 5 - Prob. 87ECh. 5 - Prob. 88ECh. 5 - Prob. 89ECh. 5 - Prob. 90ECh. 5 - Prob. 91ECh. 5 - Prob. 92ECh. 5 - Prob. 1STCh. 5 - Prob. 2STCh. 5 - Prob. 3STCh. 5 - Prob. 4STCh. 5 - Prob. 5STCh. 5 - Prob. 6STCh. 5 - Prob. 7STCh. 5 - Prob. 8STCh. 5 - Prob. 9STCh. 5 - Prob. 10STCh. 5 - Prob. 11STCh. 5 - Prob. 12STCh. 5 - Prob. 13STCh. 5 - Prob. 14STCh. 5 - Prob. 15STCh. 5 - Prob. 16STCh. 5 - Prob. 17STCh. 5 - Prob. 18ST
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