The validation of the fact that bromine and mercury are not in the same group 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 seven periods and eighteenth groups in modern periodic table.

Question

Given the following information, determine which element of the periodic table is being described as element “X.” Report your answer. Explain your reasoning by addressing each piece of evidence given. a. Element “X” is not a gas at room temperature and is best described as a metal in its only allotrope (elemental form). b. When element “X” forms a cation, its atomic radius is smaller than that of neon (Ne) however, it is notable that element “X” does not form anions as partners in ionic compounds. c. The 1st ionization energy of element “X” is greater than that of atomic aluminum (Al). d. When element “X” is degraded in the presence of hydrogen chloride (HCl), a reaction ensues leaving an amorphous colorless substance. When analyzed, this substance is found to have formed in a 1:2 mole ratio of element “X” : chlorine. Once refined, this substance is useful as a cofactor in the PCR process for DNA amplification.

Answer 1

Question

Chapter 3, Problem 3.47E

Interpretation Introduction

Interpretation:

The validation of the fact that bromine and mercury are not in the same group 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 seven periods and eighteenth groups in modern periodic table.

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Given the following information, determine which element of the periodic table is being described as element “X.” Report your answer. Explain your reasoning by addressing each piece of evidence given. a. Element “X” is not a gas at room temperature and is best described as a metal in its only allotrope (elemental form). b. When element “X” forms a cation, its atomic radius is smaller than that of neon (Ne) however, it is notable that element “X” does not form anions as partners in ionic compounds. c. The 1st ionization energy of element “X” is greater than that of atomic aluminum (Al). d. When element “X” is degraded in the presence of hydrogen chloride (HCl), a reaction ensues leaving an amorphous colorless substance. When analyzed, this substance is found to have formed in a 1:2 mole ratio of element “X” : chlorine. Once refined, this substance is useful as a cofactor in the PCR process for DNA amplification.

What is the correct Anwser out of the multiple choices

Can you answer part B