Question

who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?
dmitri mendeleev
john dalton
antoine lavoisier
henry moseley

Explanation:

Dmitri Mendeleev arranged elements by atomic mass and predicted properties of missing elements. John Dalton proposed atomic theory. Antoine Lavoisier is known for combustion studies. Henry Moseley arranged elements by atomic number.

Answer:

Dmitri Mendeleev