If one atom has 12 protons, 6 neutrons, and 6 electrons. and another one has 12 protons, 7 neutrons, and 8 electrons. are both atoms the same element why or why not?

What are the first three quantum numbers for the electrons located in subshell 2s?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

How might this scientific phenomena be explained? a paper clip floats on water.