Question

Закончите уравнения реакций: K+H2=
Cs+I2=
Rb+H2O=
Na+O2=
Na+H2S=

Answer 1

2Cs +I2= 2CsI
6Rb+ 6H2O= 6RbOH + 3H2
4Na +O2= 2Na2O
2Na +H2S =Na2S =H2

Answer 2

2К + Н2 = 2КН
2Cs + I2 = 2CsI
2Rb + 2H2O = 2RbOH + H2
2Na + O2 = Na2O2
2Na + H2S = Ns2S + H2