C-04-Q180mediumsingle_mcq
In a fragment of the periodic table, period 3 has elements X (Group 1) and Y (Group 2), period 4 has A (Group 17) etc. Which has the highest electron affinity in the stem?
In a fragment of the periodic table, period 3 has elements X (Group 1) and Y (Group 2), period 4 has A (Group 17) etc. Which has the highest electron affinity in the stem?
- aelement of Group 1 in period 3
- belement of Group 17 (smaller radius among non-metals)
- celement of Group 2 in period 3
- delement of Group 18