Francium (Fr) Element: Properties, Reactions, Hazard
Francium is a chemical element with the atomic number 87 and it is represented by the symbol ‘Fr’ in the periodic table. It belongs to Group 1 and Period 7 … Read more
The periodic table is an arrangement of all known elements in order of increasing atomic number and recurring chemical properties.
Francium is a chemical element with the atomic number 87 and it is represented by the symbol ‘Fr’ in the periodic table. It belongs to Group 1 and Period 7 … Read more
Astatine is a chemical element with an atomic number of 85 and is represented by the symbol ‘At’ in the periodic table. Its appearance is unknown classified as metal and … Read more
Mercury is a chemical element with an atomic number of 80 and is represented by the symbol ‘Hg’ in the periodic table. It is silvery-white in appearance classified as metal and … Read more
The atomic number of Lead is 82. It is found in Group 14 (carbon group) and Period 6 of the periodic chart. The symbol ‘Pb’ represents it. It gets its … Read more
The atomic number of gold is 79. It is found in Group 11 and Period 6 of the periodic chart. The symbol ‘Au’ represents it. The name is derived from … Read more
Tungsten is a chemical element with the atomic number 74 and it is represented by the symbol ‘W’ in the periodic table. It is hard and brittle with a lustrous … Read more
Helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), oganesson (Og) and radon (Rn) are the noble gases or inert gases that make up Group 18 of the periodic table. … Read more
Electronegativity Electronegativity (E.N) is the general tendency of an atom in a molecule to draw the shared pair of electrons toward itself. It is defined as an atom’s ability to … Read more
Erbium is a chemical element with an atomic number of 68 and is represented by the symbol ‘Er’ in the periodic table. It is hard and silvery in appearance and … Read more