Author: Abdul Wahab

  • Platinum

    Platinum

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    Abdul Wahab
    in

    Symbol: Pt Atomic Number: 78 Atomic Weight: 195 Melting Point: 1768 °C (3215 °F) Boiling Point: 3825 °C (6917 °F) Discovered by: South Americans Platinum is one of the most precious metals found on the Earth. It is more valuable and rare metal than silver and gold. It looks very pretty and shiny that attract…

  • Oxygen

    Oxygen

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    Abdul Wahab
    in

    Symbol: O Atomic Number: 8 Atomic Weight: 16 Melting Point: -218 °C (-361 °F) Boiling Point: -183 °C (-297 °F) Discovered by: W. Scheele and Joseph Priestly independent of each other. Oxygen is a vital element for all the living things on Earth. Almost all the living things need the oxygen to survive and stay…

  • Nitrogen

    Nitrogen

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    Abdul Wahab
    in

    Symbol: N Atomic Number: 7 Atomic Weight: 14 Melting Point: -210 °C (-346 °F) Boiling Point: -195 °C (-320 °F) Discovered by: Daniel Rutherford Nitrogen is a gas with 7 protons and 7 neutrons in its nucleus. It is the major building block of our atmosphere. Our atmosphere is the mixture 21% oxygen, 78.1% Nitrogen,…

  • Nickel

    Nickel

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    Abdul Wahab
    in

    Symbol: Ni Atomic Number: 28 Atomic Weight: 7 Melting Point: 1455 °C (2651 °F) Boiling Point: 2913 °C (5275 °F) Discovered by: Axel Cronstedt Nickel is a metal which is classified as a transition element. Its nucleus contains 28 protons and 30 neutrons, which is orbited by 28 electrons. Nickel is located in the first…

  • Iron

    Iron

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    by

    Abdul Wahab
    in

    Symbol: Fe Atomic Number: 26 Atomic Weight: 8 Melting Point: 1538 °C (2800 °F) Boiling Point: 2862 °C (5182 °F) Discovered by: Known since ancient time. Iron is a very useful metal used in the modern world. It shapes our building structures and flows in the Earth’s core as a liquid to sustain its geomagnetic…