element tables

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Synthetic Elements Including Transuranics - Nuclear reactions involving the bombardment technique by different particles have been used to synthesise artificial elements such as Technetium, Astatine and Transuranium. (Z > 92) which follow uranium in the periodic table...

Element Symbol Relative Atomic Mass Element Symbol Relative Atomic Mass Aluminium Al 26.98 Magnesium Mg 24.31 Bromine Br 79.90 Mercury Hg 200.50 Calcium Ca 40.08 Nitrogen N 14.01 Carbon C 12.01 Oxygen O 15.99 Chlorine Cl 35.45 Pho..

(Inert gases are indicated in blue) Element Symbol Atomic number Electronic configuration (or Electron arrangement) K L M N Hydrogen H 1 1 Helium He 2 2 Lithium Li 3 2,1 Beryllium Be 4 2,2 Boron B 5 2,3 Carbon C 6 2,4 Nitrogen N 7 2,5 Oxygen O 8 2..

The important physical properties of group 17 elements are given in table. These are discussed bel..

The important physical constants of group 13 elements arc given in table and their physical characteristics are discussed bel..

Group 16 Elements (Chalcogens) - Introduction - Oxygen, sulphur, selenium, tellurium and polonium constitute the group 16 of the periodic table of elements. The first four elements are collectively called CHALCOGENS. The name derives from the Greek word for b..

Oxygen, sulphur, selenium, tellurium and polonium constitute the group 16 of the periodic table of elements. The first four elements are collectively called CHALCOGENS. The name derives from the Greek word for bronze and points to the association of sulphur and i..

Physical Properties - The values of some important physical constants of the carbon fami1y are recorded in the below table..