1. Sr [ Synonyms: atomic number 38, strontium] | |
A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
|
ایک ہلکا زرد قلزی ارضی کیمیا۔ |
Online Accounting Software A web based accounting software for small and medium size businesses. ... Read more