The elements in one of the groups in the periodic table are often called the coinage metals. Identify the elements in this group based on your own experience.

Short Answer

Expert verified
The coinage metals are found in Group 11 of the periodic table and include Copper (Cu), Silver (Ag), and Gold (Au). These elements have been historically used to make coins due to their conductive properties and resistance to wear and corrosion. Roentgenium (Rg) also belongs to Group 11 but is not considered a coinage metal because it is synthetic and unstable.

Step by step solution

01

Identify the Group Number in the Periodic Table of Coinage Metals

The coinage metals are found in Group 11 of the periodic table. Group 11 elements have one electron in their outermost shell, which means they are more likely to form positive ions and have good electrical and thermal conductivity. Historically, these metals have been used to create coins because of their conductive properties and resistance to wear and corrosion.
02

List the Elements in Group 11

There are four elements in Group 11 of the periodic table: 1. Copper (Cu) - Atomic number 29 2. Silver (Ag) - Atomic number 47 3. Gold (Au) - Atomic number 79 4. Roentgenium (Rg) - Atomic number 111 (This is a synthetic element and not used in coinage)
03

Determine the Coinage Metals

Based on our own experience and the information provided, the elements that are often called coinage metals are Copper (Cu), Silver (Ag), and Gold (Au), as these were the historical metals used to create coins. Roentgenium (Rg) belongs to the same group but is not used in coinage due to its synthetic nature and instability.

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