10. Explain the relationship between the group number and the valence electrons of MAIN GROUP elements (Groups 1, 2, 13-18). *

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.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

The same side of the moon always faces earth because the