Periodic Table
-
standard table
-
large table
Chemical Elements
-
by name
-
by symbol
-
by atomic number
Chemical Properties
Chemical Reactions
Organic Chemistry
Branches of Chemistry
Analytical chemistry
Biochemistry
Computational Chemistry
Electrochemistry
Environmental chemistry
Geochemistry
Inorganic chemistry
Materials science
Medicinal chemistry
Nuclear chemistry
Organic chemistry
Pharmacology
Physical chemistry
Polymer chemistry
Supramolecular Chemistry
Thermochemistry
550
Years:
546
547
548
549
-
550
-
551
552
553
554
Decades
:
520s
530s
540s
-
550s
-
560s
570s
580s
Centuries
:
5th century
-
6th century
-
7th century
Events
End of the
Eastern Wei Dynasty
and beginning of the
Northern Qi Dynasty
in northern
China
. Northern Qi Wen Xuan Di is the first ruler of the Northern Qi Dynasty.
Silk
reaches
Constantinople
(approximate date).
Hindu
mathematicians
give
zero
a numeral representation in a
positional notation system
.
The
Franks
conquer the
Thuringii
(approximate date).
The main redaction of Babylonian
Talmud
is completed under Rabbis Ravina and Ashi (approximate date).
Construction of the acropolis of
Quiriguá
begins (approximate date).
Births
Deaths
01-04-2007 01:16:19
The contents of this article are licensed from
Wikipedia.org
under the
GNU Free Documentation License
. How to see
transparent copy
ChemistryDaily.com
2005
Legal Info