Which of the following Group 1 elements has the highest ionization energy?
A 55Cs
B 37Rb
C 19K
D 11Na
Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started.
JOIN OTHER STUDENTS ON OUR NEW TELEGRAM GROUP AND SHARE WITH FRIENDS. We have the WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help you out.