Acube has a mass of 27 g and length of 3cm. what is it’s density

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Which element would mostly likely have an electron affinity measuring closest to zero