Element X combines with oxygen to form an ionic compound: X2O and is a metal, to what group will X belong based on its charge. Could X be a transition metal? Why or why not?

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

Is a pencil falling to the floor anon contact force, a force, or a contact force

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.