The values of the principal energy levels are: s, p, d, f
IA, IIA, VIIIA
-1, -2, -3,etc.
integers 1, 2, 3,etc

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

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.

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block