Actinium is a chemical element with the symbol Ac and atomic number 89. It is a radioactive metal and belongs to the actinide series of elements in the periodic table. Actinium is a silvery-white, soft, and highly reactive metal. Key Characteristics of Actinium: Radioactivity: Actinium is highly radioactive and all of its isotopes are unstable.…

Lutetium is a chemical element with the symbol Lu and atomic number 71. It is the last element in the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Lutetium is a silvery-white, dense, and relatively soft metal. Key Characteristics of Lutetium: Physical Properties: Lutetium is a dense and…

Ytterbium is a chemical element with the symbol Yb and atomic number 70. It belongs to the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Ytterbium is a silvery-white, soft, and malleable metal. Key Characteristics of Ytterbium: Physical Properties: Ytterbium is a soft and malleable metal that can…

Thulium is a chemical element with the symbol Tm and atomic number 69. It belongs to the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Thulium is a silvery-gray, soft, and malleable metal. Key Characteristics of Thulium: Physical Properties: Thulium is a soft and malleable metal that can…

Erbium is a chemical element with the symbol Er and atomic number 68. It belongs to the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Erbium is a silvery-white, soft, and malleable metal. Key Characteristics of Erbium: Physical Properties: Erbium is a soft and malleable metal that can…

Holmium is a chemical element with the symbol Ho and atomic number 67. It is a member of the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Holmium is a relatively soft, malleable, and silvery metal. Key Characteristics of Holmium: Physical Properties: Holmium is a soft and malleable…

Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is part of the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Dysprosium is a silvery-white, soft, and malleable metal. Key Characteristics of Dysprosium: Physical Properties: Dysprosium is a soft and malleable metal that…

Terbium is a chemical element with the symbol Tb and atomic number 65. It is a member of the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Terbium is a silvery-white, soft, and malleable metal. Key Characteristics of Terbium: Physical Properties: Terbium is a soft and malleable metal…

Gadolinium is a chemical element with the symbol Gd and atomic number 64. It belongs to the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Gadolinium is a silvery-white, ductile, and malleable metal. Key Characteristics of Gadolinium: Physical Properties: Gadolinium is a malleable metal that can be easily…

Europium is a chemical element with the symbol Eu and atomic number 63. It is a member of the lanthanide series, a group of 15 elements with atomic numbers ranging from 57 to 71. Europium is a silvery-white, soft, and moderately reactive metal. Key Characteristics of Europium: Physical Properties: Europium is a soft and malleable…