Which of the following elements are metals?
A.
fluorine (F) and argon (Ar)
B.
iodine (I) and carbon (C)
C.
oxygen (O) and selenium (Se)
D.
potassium (K) and chromium (Cr)

Relax

Respuesta :

Answer:

its D. potassium and chromium

Answer:

option d

Explanation:

potassium and chromium