(a) the Group 1A elements H, Rb, and Li (b) the Period 4 elements Ge, Se, and K Arrange in order of increasing atomic si

[answerhappygod]

(a) the Group 1A elements H, Rb, and Li (b) the Period 4 elements Ge, Se, and K
Arrange in order of increasing atomic size. (Use the appropriate <, =, or > symbol to separate substances in the list.)(a) the Period 3 elements Cl, Na, and Mg (b) the Group 2A elements Ca, Mg, and Ba
(a) the Period 3 elements Cl, Na, and Mg (b) the Group 2A elements Ca, Mg, and Ba