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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

What will be the atomic number of the next alkali metal to be discovered? How would you expect the physical properties of the next alkali metal to compare with the properties of the other alkali metals summarized in Table 19-4?

Interpretation Introduction

Interpretation: The atomic number of the next alkali metal to be discovered is to be stated. The physical properties of the next alkali metal is to be compared with the properties of the other alkali metals summarized in Table 19-4 .

Concept introduction: Alkali metals are found in group 1A(1) in the periodic table. The valence electron configuration for the alkali metals is ns1 .

To determine: The atomic number of the next alkali metal to be discovered and the comparison of physical properties of this alkali metal with the properties of the other alkali metals summarized in Table 19-4 .

Explanation

Explanation

The atomic number of the next alkali metal to be discovered is 119 . The name of this alkali metal is Ununennium.

According to Seaborg and Pyykkö extended periodic tables, the atomic number of next alkali metal will be 119 . It is placed in eighth period.

It is a hypothetical element. The name of this alkali metal is Ununennium. It is also known as eka-francium

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