The first ionisation energy  from top to bottom in group 1 of the periodic table.

17. Which of the following have the lowest first ionization energies of the groups listed.1 pointTransition metalsAlkali metalsAlkaline earth metalsNoble gasesHalogens

9. What group of elements generally have the lowest second ionization energy?Group IGroup IIGroup VIGroup VII

Which of the following elements has the smallest first ionization energy?Group of answer choicesAsFMgIRb

The diagram shows the first ionization energies of four consecutive elements in the periodic table.Which element is in Group 14?1st ionization energyABCDIncreasing atomic number

What trend does the first ionization energy follow in the periodic table?A.It stays the same within a family.B.It decreases when going across a family.C.It decreases when going down a group.D.It increases when going down a group.