Respuesta :

hkh91

1 skeleton equation

Na +O2 =>Na2O

Balanced equation

4Na + O2 =>2 Na2O

2.word equation

Zinc +magnesium phosphide=magnesium + zinc phosphide

Balanced equation

3Zn +Mg3P2 =3Mg+ Zn3p2

3skeleton equation

Al +Br2 =>AlBr3

Balanced equation

2Al +3Br2 => 2AlBr3

4 word equation

Lithium + sulphur =>lithium sulphide

2Li + S => Li2S