stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
The Periodic Table Quiz Flashcards | StudBud
The Periodic Table Quiz
1 / 10
What was an unstable element in the lanthanides?
A
Promethium
B
Lanthanum
C
Praseodymium
D
Lutetium
Next
0
0
correct · 0:00
