Which one of the following ions has more electrons than
protons and more protons
than neutrons?
[H = 1 H; D=2 H; He = 42He;
O=16:0]
a) D-1
b) He+1
c) D₃0+1
d) OH-1

The electron configuration for chromium is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 5 4 s 1 instead of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 4 4 s 1 . the configuration is an exception to the

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

0.2348 grams of pbcl2 used to form 44.0 ml of solution.