Author: Abdul Wahab

  • Hydrogen

    Hydrogen

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    Abdul Wahab
    in

    Symbol: H Atomic Number: 1 Atomic Weight: 1 Melting Point: -259 °C (-434 °F) Boiling Point: -252 °C (-423 °F) Discovered by: Henry Cavendish Hydrogen is the lightest and the first element of the periodic table. Its atomic structure is very simple, which is composed of only one proton, and […]

  • Gold

    Gold

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    Abdul Wahab
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    Symbol: Au Atomic Number: 79 Atomic Weight: 9 Melting Point: 1064 °C (1947 °F) Boiling Point: 2856 °C (5173 °F) Discovered by: Known since ancient time. Gold is one of the precious metals found on the Earth. Its shiny surface has attracted people from ancient times. People have made coins […]

  • Copper

    Copper

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    Abdul Wahab
    in

    Symbol: Cu Atomic Number: 29 Atomic Weight: 5 Melting Point: 1084 °C (1984 °F) Boiling Point: 2562 °C (4644 °F) Discovered by: Known since ancient time. Copper is a metal that was one of the first metal to be used by mankind. People used to make tools from it to […]

  • Carbon

    Carbon

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    Abdul Wahab
    in

    Symbol: C Atomic Number: 6 Atomic Weight: 12 Melting Point: 3550 °C (6442 °F) Boiling Point: 4200 °C (7600 °F) Discovered by:  Known since prehistoric time. Carbon can be considered as a vital element found on the Earth. All the life forms (animals and plants) that you see around yourself […]

  • Lion

    Lion

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    by

    Abdul Wahab
    in

    Lions are commonly known as ‘kings of the jungle’. People around the world consider the symbol of lions as the sign of strength and power. They are the world’s second largest cat after the tigers. They are the social cats and live together in groups called pride. What Do They […]