JEE Main levelSingle correct optionDifficulty 2 of 3pt015
Element 119, if it is ever made, is expected to be placed in
Agroup 1, period 8, s-block
Bgroup 3, period 8, g-block
Cgroup 17, period 7, p-block
Dgroup 2, period 8, s-block
Answer: A
Elements 1 to 118 complete period 7 (Z=118 is a noble gas). The next electron goes into 8s, so Z = 119 begins period 8 with configuration [Og]8s1 in group 1.