Describe the nature of excitation and hybridization in methane and boron trichloride.​

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.

What is the value of the standard enthalpy of formation of an element in its most stable form?

Why is it incorrect to balance a chemical equation by changing the subscripts? explain.