: :
(1) What is the category of Ar?
(2) What is the category of S?
(3) What is the category of Na?
(4) What is the category of V?
(5) What is the category of Be?
(6) What is the category of Al?
(7) What is the category of Ne?
(8) What is the category of H?
(9) What is the category of Sc?
(10) What is the category of Cr?