What did henry moseley determine that contributed to understanding the atom?

Henry Moseley is a Physicist. He used x-rays and discovered the atomic number of each element, that led to more accurate organization of the periodic table.

He arranged the elements in the periodic table by the number of protons of the elements not on the basis of atomic weights of the elements.

This disappeared the the flaws in the periodic table that had been making scientists uncomfortable.

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph