Which two elements have the same number of energy levels with electrons in them?
A. krypton and neon****
B. neon and sodium
C. lithium and francium
D. boron and oxygen
1.Calcium
2.Chlorine
3.An electron in the outer energy level of an atom
4.A row of elements
5.Boron and Oxygen
I got 3/5 bc i couldnt find correct answers so here
Don’t be rude tho
bro just give the answer
irk
is right
5/5
where the answer i dont understand how people get an answer from this or its just me
can confirm 5/5
oh never mind i found it lmao
all of the outermost energy levels of hydrogen, lithium, and sodium atoms are part of the same sublevel (s-sublevel) and contain the same number of electrons
boron and oxygen