ক্ৰিপট’কাৰেঞ্চিক্ৰিম
ক্ৰিপ্টন (Assamese)
ক্ৰিপ্টন (Assamese)
1. ChemistryKrypton (from Ancient Greek: κρυπτός, romanized: kryptos 'the hidden one') is a chemical element; it has symbol Kr and atomic number 36. It is a colorless, odorless, tasteless noble gas that occurs in... from wikipedia.org