Asked by Optimus Prime

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
Answered by 🐯Tiger🐯
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
Answered by DrBob222
I don't agree with your choice.
Ne is 2 and 8 which is 2 energy levels.
Kr is 2 and 8 and 18 and 8 which is 4 energy levels.
In fact, you KNOW it can't be two elements in different periods because each period has at least another energy level. So look for two elements in the same period.
Answered by Sunset lover 🌅🌄
Don’t be rude tho
Answered by 🐯Tiger🐯
irk
Answered by Nameless
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
Answered by nameless
is right
5/5
Answered by boi
can confirm 5/5
Answered by naruto
where the answer i dont understand how people get an answer from this or its just me
Answered by naruto
oh never mind i found it lmao
Answered by naruto
wait i am on the wrong question nvm i dont see answer on this either
Answered by BirdSupreme35
bro just give the answer
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