Between which two elements is the difference in metallic character the greatest?

Between which two elements is the difference in metallic character the greatest? 

A) Rb and O
B) O and I
C) Rb and I
D) Li and O
E) Li and Rb


Answer: A

The list that correctly indicates the order of metallic character is __________.

The list that correctly indicates the order of metallic character is __________.

A) B > N > C
B) F > Cl > S
C) Si > P > S
D) P > S > Se
E) Na > K > Rb


Answer: C

Of the elements below, __________ is the most metallic.

Of the elements below, __________ is the most metallic. 

A) Na
B) Mg
C) Al
D) K
E) Ar


Answer: D