000			00353nam a2200145Ia 4500
005			20260205062647.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a546.67 Sa14P
100			_aSachdeva, Mamta V.
245		0	_aP-block elements
260			_aNew Delhi _bRajat pub. _c2012
300			_a284p.
690			_aPeriodic table
942			_cBK
999			_c174166 _d174166