Download App

Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
On moving from top to bottom in a group in the periodic table, valency :
  • A
    Increases
  • B
    Decreases
  • ✓
    Remains same
  • D
    First increases then decreases
✓

Answer

Correct option: C.
Remains same
On moving from top to bottom in a group in the periodic table, valency remains same.

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" from Periodic Classification of Elements→Periodic Classification of Elements — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

The compound obtained on reaction of iron with steam is/ are:
→
All reptiles have a three $-$ chambered heart except :
→
What do we observe on pouring acetic acid on red and blue litmus papers?
→
Which one of the following statements is true about the position of metals in the activity series of metals?
→
A dilute ferrous sulphate solution was gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?
→
Which one of the following elements exhibit the maximum number of valence electrons?
→
On adding $2\ mL$ acetic acid to $2\ mL$ of water in a test tube, it was observed that :
→
Weak ion currents that travel along nerve cell in our body produces $ .......... \ ?$
→
Which of the following phenomenon contributes significantly to the reddish appearance of the sun at sunrise or sunset?
→
The ability of a cell to divide into several cells during reproduction in Plasmodium is called:
→