Question
What are inert elements? Why are they called so?
✓
Answer
The noble gases are in Group 18 (8A). They are helium, neon, argon, krypton, xenon, and radon. They were once called inert gases because they were thought to be completely inert - unable to form compounds.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What are simple tissres? Explain their three different types
Name the type of muscles that accomplish peristalsis.
Answer the following:
At any instant a compression is formed at a point. After how much time:
At any instant a compression is formed at a point. After how much time:
- A rarefaction
- A compression will be formed at the same point?
Define valence of an element. Find the valency of chlorine and magnesium (At. No. of chlorine = 17, magnesium = 12).
Differentiate between fibers and sclereids.
Wave of free of frequency 200Hz is produced in a string as shown in the figure. Find amplitude, wavelength and velocity of the wave.
Compare the use of manure and fertilizers in maintaining soil fertility.
When is the work done said to be negative?
List three steps of an experiment performed by Rutherford for his model of an atom.
What about a rubber band, can it change its shape? Is it solid?