How many moles of nitrogen are needed to completely convert 6.34 mol of hydrogen?

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

What substance has a mass of 9.5g and volume of 2.1cm^3

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.