Download App

Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
MCQ
From $\ce{Be}$ to $\ce{Ra},$ ionization energies :
  • A
    Increases
  • ✓
    Decreases
  • C
    Remain same
  • D
    None of these
✓

Answer

Correct option: B.
Decreases
$\ce{Be}$ to $\ce{Ra},$
As we go down the group in Periodic table, atomic size increase, Nuclear hold on electron decrease for an outer electron.
Thus, Ionization energy decreases down the group.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Classification of Elements and Periodicity in Properties→Classification of Elements and Periodicity in Properties — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The correct structure of benzene was proposed by
→
Reasons of water pollution includes $ .......$
→
Molecular weight of an organic acid is given by
→
Number of hydrogen atoms per molecule of a hydrocarbon A having $85.8 \%$ carbon is $...............$.(Given : Molar mass of $A =84\,g\,mol ^{-1}$ )
→
Which of the following organic compounds has same hybridization as its combustion product $(CO_2)\,?$
→
In which of the following process highest energy is absorbed
→
In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?
→
Which of the following has the highest first ionisation energy
→
If ice and water are at equilibrium then which is correct. To obtain high amount of water

Ice $ \rightleftharpoons $ Water

→
Number of shared electrons in between carbon-carbon atoms in ethylene molecule is
→