Consider the two electron arrangements for neutral atoms A and B. What is the atomic number of A? A - 152, 252, 2p5, 35
B - 152, 252, 2p6.5s!

What is the atomic number of an atom that has 6 protons

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.

Why can water dissolve many ionic compounds