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Rubidium Rb Rb + Potassium K K + Sodium Na Na + Lithium Li Li + Barium Ba Ba 2+ Strontium Sr Sr 2+ Calcium Ca Ca 2+ Magnesium Mg Mg 2+ reacts very slowly with cold water, but rapidly in boiling water, and very vigorously with acids: Beryllium Be Be 2+ reacts with acids and steam Aluminium Al Al 3+ Titanium Ti Ti 4+ reacts with concentrated ...
118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).
50 k 100 k 101325 reference ... 12 Mg magnesium; use (T/K) 701 773 861 971 1132 1361 ... 37 Rb rubidium; use (T/K) 434 486 552 641 769 958
50 °C 60 °C 70 °C 80 °C 90 °C 100 °C ... 50.2 Magnesium sulfite hexahydrate: MgSO 3 ·6H 2 O: 0.52 ... Rubidium acetate: RbC 2 H 3 O 2: 86: Rubidium bromate ...
The magnesium compound magnesium sulfate was first discovered in 1618 by a farmer at Epsom in England. Strontium carbonate was discovered in minerals in the Scottish village of Strontian in 1790. The last element is the least abundant: radioactive radium , which was extracted from uraninite in 1898.
Group 5 is a group of elements in the periodic table.Group 5 contains vanadium (V), niobium (Nb), tantalum (Ta) and dubnium (Db). [1] This group lies in the d-block of the periodic table.