Sabbir Ahmed

mbstu medicine ayurveda cold tulsi holy basil dental care dental clinic tooth teeth mouthwash dental carries dentifrices fluorides mouth dental forces organic pharmacy bond angle bond energy bond length inductive effect molecular orbital theory of co-valent bonding different types of chemical bond electronic concept of valency origin of spectral line pauli’s exclusion principle quantum numbers rutherford & bohr atom model & its limitation theories of atomic structure fundamental particles ionic bond atomic structure chemical bond