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Copper . The element 29. 29 is the atomic number. Cu is the element symbol. Copper is the name of the element. 63.546 is the atomic mass. The group number is: 11 The period number is: 4. This is a picture of Copper. Physical Properties.

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The element 29


29 is the atomic number.

  • Cu is the element symbol.
  • Copper is the name of the element.
  • 63.546 is the atomic mass.
  • The group number is: 11
  • The period number is: 4

Physical Properties

1. Copper has a characteristic reddish brown color.

2. Its density is 8.93 g cm-3.

3. Its melting point is 1083`C.

4. It is highly malleable and ductile at ordinary temperature. It

becomes brittle near melting point.

5. It is a very good conductor of heat and electricity.

6. Its conductivity is almost as much as that of silver, the best conductor among all the metals.


Atomic number


Atomic mass

63.546 g.mol -1

Electronegativity according to Pauling



8.9 at 20°C

Melting point

1083 °C

Boiling point

2595 °C

Vanderwaals radius

0.128 nm

Ionic radius

0.096 nm (+1) ; 0.069 nm (+3)



Electronic shell

[ Ar ] 3d10 4s1

Energy of first ionisation

743.5 kJ.mol -1

Energy of second ionisation

1946 kJ.mol -1

Standard potential

+ 0.522 V ( Cu+/ Cu ) ; + 0.345 V (Cu2+/ Cu )

Discovered by

The ancients


Uses of Copper:

  • •Copper is used to pipe water supplies. The metal is also used in refrigerators and air conditioning systems.•Computer heat sinks are made out of copper as copper is able to absorb a high amount of heat.•Magnetrons, found in microwave ovens, contain copper.•Vacuum tubes and cathode ray tubes both use copper.•Some copper is added to fungicides and nutritional supplements.•As a good conductor of electricity, copper is used in Copper wire, electromagnets and electrical relays and switches.•Copper is a great water-proof roofing material. It has been used for this purpose since ancient times.•Some structures, such as the Statue of Liberty, are made with copper.•Copper is sometimes combined with nickel to make a corrosion resistant material that is used in shipbuilding.
  • •Copper is used in lightning rods. These attract lightning and cause the electrical current to be dispersed rather than striking, and possibly destroying, a more important structure.•Copper(II) sulfate is used to kill mildew.•Copper is often used to color glass. It is also one component of ceramic glaze.•Many musical instruments, particularly brass instruments, are made out of copper.

Copper is a chemical element with the symbol Cu. Atomic Number: 29. Atomic Weight: 63.546 atomic mass unit.

Copper comes from the Latin word cuprum, meaning “from the island of Cyprus.”

Copper is man’s oldest metal, dating back more than 10,000 years. A copper pendant discovered in what is now northern Iraq has been dated to about 8,700 B.C.

The Egyptians used the ankh symbol to denote copper in their system of hieroglyphs. It also represented eternal life.

Copper is one of the oldest metals known to civilization. Its uses and contributions continue to grow.

Copper is a vital and positive contributor to humankind and has improved our quality of life for centuries.

Copper is the only metal other than gold that has natural color. Other metals are either gray or white.

Over 400 copper alloys are in use today. Brass is an alloy of copper and zinc. Bronze is an alloy of copper and tin, aluminum, silicon, and beryllium.

Copper is vital to the health of humans, animals and plants and an essential part of the human diet. Copper-rich foods include dried beans, almonds, broccoli, chocolate, garlic, soybeans, peas, whole wheat products, and seafood.

Copper maximizes the performance of the products that contain it, helping save energy, CO2, money and lives