Category: Science

  • Rutherfordium

    Rutherfordium is a synthetic chemical element with the symbol Rf and atomic number 104. It is a highly radioactive and unstable element that is not found naturally on Earth. Rutherfordium belongs to the group of elements known as transactinides, which are elements with atomic numbers greater than 100. Key Characteristics of Rutherfordium: Synthetic Production: Rutherfordium…

  • Radium

    Radium is a chemical element with the symbol Ra and atomic number 88. It is a highly radioactive metal that belongs to the alkaline earth metal group. Radium is known for its luminescent properties and its historical significance in scientific and medical research. Key Characteristics of Radium: Atomic Structure: Radium has 88 protons, 88 electrons,…

  • Francium

    Francium is a chemical element with the symbol Fr and atomic number 87. It is a highly radioactive metal and is the second rarest naturally occurring element in the Earth’s crust, after astatine. Francium is a member of the alkali metal group, which includes elements such as lithium, sodium, and potassium. Key Characteristics of Francium:…

  • Radon

    Radon is a chemical element with the symbol Rn and atomic number 86. It is a colorless, odorless, and tasteless radioactive gas that is part of the noble gas group on the periodic table. Radon is produced through the natural decay of uranium and thorium in rocks and soil. Key Characteristics of Radon: Radioactivity: Radon…

  • Astatine

    Astatine is a chemical element with the symbol At and atomic number 85. It is a rare and highly radioactive element that belongs to the halogen group on the periodic table. Astatine is one of the least abundant elements on Earth and has several notable characteristics and applications. Key Characteristics of Astatine: Physical Properties: Astatine…

  • Polonium

    Polonium is a chemical element with the symbol Po and atomic number 84. It is a rare and highly radioactive metal that belongs to the group of post-transition metals on the periodic table. Polonium has several notable characteristics and applications. Key Characteristics of Polonium: Physical Properties: Polonium is a silvery-gray metal that has a metallic…

  • Bismuth

    Bismuth is a chemical element with the symbol Bi and atomic number 83. It is a brittle, lustrous, and crystalline metal that belongs to the group of post-transition metals on the periodic table. Bismuth has several notable characteristics and applications. Key Characteristics of Bismuth: Physical Properties: Bismuth is a brittle metal with a silvery-white color…

  • Lead

    Lead is a chemical element with the symbol Pb and atomic number 82. It is a dense, bluish-gray metal that belongs to the group of post-transition metals on the periodic table. Lead has several notable characteristics and applications. Key Characteristics of Lead: Physical Properties: Lead is a soft and malleable metal with a low melting…

  • Thallium

    Thallium is a chemical element with the symbol Tl and atomic number 81. It is a soft, bluish-gray metal that belongs to the group of post-transition metals on the periodic table. Thallium has several notable characteristics and applications. Key Characteristics of Thallium: Physical Properties: Thallium is a soft, malleable metal with a low melting point…

  • Mercury

    Mercury is a chemical element with the symbol Hg and atomic number 80. It is a heavy, silvery-white metal that is liquid at room temperature and belongs to the group of transition metals on the periodic table. Mercury has several notable characteristics and applications. Key Characteristics of Mercury: Physical Properties: Mercury is the only metal…