Question

Answer this question 6 and 7


N
O

S
P
A
M

PLZ

Answer 1

6. Polyatomic Element : S8, P4, O3
Polyatomic Ion : SO4^2-
7. It represents "Law of Constant or Definite Proportions", as proposed by Joseph Proust.
As, here all samples are same of water and given data represents % of O in water.