The first periodic table developed by mendeleev was not completely accurate, but was a great step toward accomplishing the periodic table of elements we use today. explain how the modern periodic table is credible today because of mendeleev’s work.

Select the correct answer from each drop-down menu. daniel and sanya are scientists. daniel is studying whether the increasing frequency of tropical storms is affecting coastal erosion. sanya is investigating whether the discharge from industrial plants has any impact on the ph concentration of freshwater swamps in the surrounding area. which fields of science are daniel’s and sanya’s studies most closely related to? daniel’s field of study is related to science, and sanya’s field of study is related to .

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer