Chemistry - Periodic Table - Groups and periods - Position Finder

10 problems where the child identifies an element's group and period, or finds an element from its position. P1: 'Sodium (Na, atomic number 11) is in Period ___ and Group ___' (3, 1). P2: 'Chlorine (Cl, atomic number 17) is in Period ___ and Group ___' (3, 17). P3: 'The element in Period 2, Group 14