Question

Which three elements have strong magnetic properties?

A.
boron, carbon, and silicon
B.
lithium, sodium, and potassium
C.
iron, cobalt, and nickel
D.
neon, argon, and krypton

Answer 1

Actually it is C

Step-by-step explanation:

Thanks comment in the prevoius answer. Im doing study island now

Answer 2

C. Iron, Cobalt, and Nickel