Who asks scientific questions? O A. Only someone with an education in science
B. Only scientists doing research
C. Someone trying to determine right from wrong
D. Anyone who observes the physical world

Henry moseley used x-ray experiments to determine the atomic number of elements. how did his discovery contribute to the development of the periodic table? a.it confirmed that elements should be arranged in strict order of increasing atomic mass. b.it led to elements with similar atomic numbers being grouped together. c.it allowed the elements to be placed in strict order of increasing atomic number. d.it showed that the way mendeleev grouped elements together was completely wrong.