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QuestionChemistry

What is the classification of Copper (Cu) as a metal, nonmetal, or metalloid? Metal Nonmetal Metalloid
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Step 1:
I'll solve this problem step by step, focusing on the classification of Copper (Cu).

Step 2:
: Identify the Location of Copper on the Periodic Table

- Copper (Cu) is located in Period 4, Group 11 of the periodic table - Its position provides key information about its metallic properties

Step 3:
: Examine Copper's Physical Properties

- Copper is a shiny, reddish-orange metal - It is ductile (can be drawn into wire) - It is malleable (can be hammered into thin sheets) - It is an excellent conductor of heat and electricity

Step 4:
: Analyze Chemical Characteristics

- Copper readily forms positive ions ($$Cu^{2+}$$)
- It participates in metallic bonding - It has low ionization energy - It can form ionic and metallic compounds

Step 5:
: Confirm Classification

- Based on its physical and chemical properties, Copper is definitively classified as a METAL

Final Answer

The key characteristics that confirm Copper's classification as a metal include its: - Metallic luster - High electrical and thermal conductivity - Ability to form positive ions - Ductile and malleable nature - Location in the left and center regions of the periodic table