Закончите уравнения реакций: K+H2= Cs+I2= Rb+H2O= Na+O2= Na+H2S=
2К + Н2 = 2КН 2Cs + I2 = 2CsI 2Rb + 2H2O = 2RbOH + H2 2Na + O2 = Na2O2 2Na + H2S = Ns2S + H2
2Cs +I2= 2CsI 6Rb+ 6H2O= 6RbOH + 3H2 4Na +O2= 2Na2O 2Na +H2S =Na2S =H2