Respuesta :
Answer
H2O
Explanation:
Water is made up of hydrogen atom ,valency 1 and oxygen atom , valency 2
On combining , they exchange their valencies giving H2O where 2 is a subscript
Answer
H2O
Explanation:
Water is made up of hydrogen atom ,valency 1 and oxygen atom , valency 2
On combining , they exchange their valencies giving H2O where 2 is a subscript