PLEASE HELP 1) Is Sulfur a metal or nonmetal?
2) Which family is Calcium in?
3) What is the Element’s name for the element that has the atomic number 72?

4) What is the atomic mass of Thallium?
5) What are all the atomic symbols for the Noble gases?



6) What are all the Element’s names in the metalloids?



7) What are all the atomic masses for the Actinides?



8)How many protons does Arsenic have?
9) How many electrons does Radium have?
10) How many neutrons does Nickel have?

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 .

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center