13. Which of the following describes metallic character on the periodic table?
A. It increases as you move right to left within a period and up a group on the periodic table
B. It increases as you move left to right within a period and down a group on the periodic table
C. It increases as you move left to right within a period and up a group on the periodic table
D. It increases as you move right to left within a period and down a group on the periodic table Mark for review (Will be highlighted on the review page)​