12. What about the non metallic character of the Representative elements with respect to the position in the Periodic table?
a. decreases from top to bottom and increases from left to right
b. increases from top to bottom and decreases from left to right
c. increases from top to bottom and increases from right to left.
d. all of the above ite e
13. Choose two elements that would likely be a metallic element.
a. Au & Cu
b. C&O
c.Ai&CI
d. Ne & He
14. Which element belongs to Group 17 Or 7A?
a. Sulfur
b.carbon
C. Argon
d. Iodine​