The diagram below shows the periodic table of the elements. Which pair of elements listed below has properties that are the most similar to each other? explain why it’s the answer.

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

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?