Question

Who arranged the elements according to atomic mass, and used the arrangement to predict the properties of missing elements.

a john dalton
b henry mosely
c dmitri mendeleev
d antoine lavoisier

Answer 1

C.

Step-by-step explanation:

the answer is C dmitri mendeleev

Answer 2

i think it's C

Step-by-step explanation:

But if it's wrong,im so sorry