Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions: Ca2+,V5+,Cl-,S2-

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Which statement can best be concluded from the ideal gas law?

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.