Question

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

Explanation:

Dmitri Mendeleev arranged elements by atomic mass and predicted properties of missing elements. Henry Moseley used atomic number. John Dalton proposed atomic theory. Antoine Lavoisier did work on combustion and naming elements.

Answer:

C. Dmitri Mendeleev