Page-4 of General Science – Chemistry
Dubnium
Dubnium (symbol Db, atomic number 105) is a synthetic, radioactive element belonging to the group 5 transition metals of the periodic table. It is classified as a superheavy...
Darmstadtium
Darmstadtium is a synthetic chemical element with the symbol Ds and atomic number 110, belonging to the group 10 transition metals in the periodic table. It was first...
Dysprosium
Dysprosium (symbol Dy, atomic number 66) is a rare-earth element belonging to the lanthanide series of the periodic table. It is a soft, silvery metal with high thermal...
Erbium
Erbium is a chemical element with the symbol Er and atomic number 68, belonging to the lanthanide series of the periodic table. It is a silvery-white rare-earth metal...
Europium
Europium (symbol Eu, atomic number 63) is a rare-earth metal belonging to the lanthanide series of the periodic table. It is a soft, silvery element that oxidises rapidly...
Iron
Iron is a chemical element with the symbol Fe (from the Latin ferrum) and atomic number 26. It is the most abundant metal in the Earth’s core and...
Flerovium
Flerovium is a synthetic superheavy chemical element with the symbol Fl and atomic number 114. It belongs to Group 14 of the periodic table, the same group as...
Fermium
Fermium is a synthetic, radioactive chemical element with the symbol Fm and atomic number 100, belonging to the actinide series of the periodic table. It was first identified...
Francium
Francium is a highly radioactive alkali metal belonging to Group 1 of the periodic table, with the chemical symbol Fr and atomic number 87. It is one of...
Gallium
Gallium is a soft, silvery metal with the chemical symbol Ga and atomic number 31. It belongs to group 13 of the periodic table, lying between aluminium and...
Gadolinium
Gadolinium is a rare-earth element with the chemical symbol Gd and atomic number 64. It belongs to the lanthanide series and exhibits a silvery-white metallic appearance. Recognised for...
