railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test General Science Chemistry Periodic Table
Consider the following statements.
1. Ionization Energies decrease going left to right across a period.
2. Ionization Energies increase going up a group.
Which among the above statements is/are correct?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2