17. Give the symbol of the element described in each of the following:A. Largest atomic radius in Period 5. B. Smallest metal in Period 3. C. Highest IE1 in Period 3. D. Highest IE1 in group 4A: E. Group 3A element that forms the most basic oxide.

a) Fr

b) Na

c) Ar

d) C

e) TI

Explanation:

a) The element with the largest atomic radius in Period 5 is Francium, represented with Fr

b) the element that is the smallest metal in Period 3 is Sodium, represented by the symbol Na

c) the element with the highest Ionization Energy in Period 3 is Argon, represented by, Ar

d) the element with the highest Ionization Energy in group 4A is Carbon, represented with the symbol C

e) the group 3A element that forms the most basic oxide is Thallium, usually written as TI