
Concept explainers
An element is a shiny, silver-colored solid at room temperature and pressure. It conductselectricity and can be found in nature in its pure form. Whichelement on the periodic table (a−d) would have these properties?

Interpretation:
Whether the element is metal, nonmetal, and semimetal should be classified. Also, the general location of element in periodic table should be determined.
Concept introduction:
Periodic table represents a systematic arrangement according to element’s physical as well as chemical properties. Here, elements are represented as a two-letter symbol and are arranged in increasing order of atomic number. Periodic table contains 18 groups (columns) and 7 periods (rows). In periodic table, groups from 1-2 and 13-18 are called main group elements. The 10 middle groups from 3-12 are known as transition elements. There are also 14 elements that started with lanthanum are called lanthanides and 14 elements started with actinium are known as actinides.
Explanation of Solution
The metals are characterized by their silvery shiny appearance and good conductor of electricity and given elements is a silvery shiny and good conductor of electrical energy (electricity), therefore the given element must be a metal. Metals that are occurred in pure form in nature known as native metals and native metals are silver, gold, and copper. Among these metals, silver is the only metal that has a silver coating. Hence the given metal is silver.
The silver metal present in periodic table in 11th group and 5th period, therefore, the location of given silver metal is b.
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