Be=beo=becl2=be(oh)2=be(no3)2
2Be+O2 --- 2BeO BeO+2HCl --- BeCl2 + H2O BeCl2+2NaOH --- Be(OH)2 + 2NaCl Be(OH)2+2HNO3 --- Be(NO3)2 + 2H2O