1. How did Mosely contribute to the periodic table arrangement? 2. What information did Mosley have about atomic structure that Mandeleev did not have?

1. Mosely arranged the elements based on the increasing number of protons, atomic number.

2. According to Moseley, similar properties recur periodically when elements are arranged according to increasing atomic number. Atomic numbers, not weights, determine the factor of chemical properties. Mendeleev ordered his elements in order of their relative atomic mass, and this gave him some problems.

Explanation:

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

i would say b

explanation:

but i think i would need more information than that