Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
The elements with atomic number 117 and 120 are yet to be discovered. In which group would you place these elements when discovered ? a. 17 , 2 b. 16 , 4 c. 15 , 3 d. 18 , 2
Browse the problem library