General science

General science

A variety of science subjects concerning the fundamental knowledge about different aspects of our world and their underlying principles.

Industry: Science

Add a new term

Contributors in General science

Become a Contributors

General science

neptunium

Science; General science

A chemical element, symbol Np, atomic number 93. Neptunium is a member of the actinide or 5 f series of elements. It was synthesized as the first transuranium element in 1940 by bombardment of ...

rubidium

Science; General science

A chemical element, symbol Rb, atomic number 37, and atomic weight 85.47. Rubidium is an alkali metal in group 1 of the periodic table. It is a light, low-melting, reactive metal. Little is known ...

A chemical element, symbol Rf, atomic number 104. Rutherfordium is the first element beyond the actinide series, and the twelfth transuranium element. In 1964 G. N. Flerov and coworkers at the Dubna ...

rhodium

Science; General science

A chemical element, symbol Rh, atomic number 45, relative atomic weight 102.905. Rhodium is a transition metal and one of the group of platinum metals (ruthenium, osmium, rhodium, iridium, ...

radon

Science; General science

A chemical element, symbol Rn, atomic number 86. Radon is produced as a gaseous emanation from the radioactive decay of radium. The element is highly radioactive and decays by the emission of ...

ruthenium

Science; General science

A chemical element, symbol Ru, atomic number 44. The element is a brittle gray-white metal of low natural abundance, usually found alloyed with other platinum metals in nature. The discovery of the ...

scandium

Science; General science

A chemical element, symbol Sc, atomic number 21, atomic weight 44.9559. The only naturally occurring isotope is 45 Sc. The electronic configuration of the ground-state, gaseous atom consists of ...