stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Periodic Table Flashcards | StudBud
Periodic Table
1 / 14
Which atoms have 5 energy levels?
A
Xe, Kr, Y
B
K, J, W
C
Rb, Cs, Fr
D
Y, Zr, Nb
Next
0
0
correct · 0:00