C-04-Q172mediumsingle_mcq
Of two Group-1 elements at periods 4 and 5, the more reactive one is—
Of two Group-1 elements at periods 4 and 5, the more reactive one is—
- athe one in period 4
- bthe one in period 5 (larger radius, looser outer electron)
- cequally reactive
- dneither, both are inert