General Introduction of Group 18 Elements
General Introduction of Group 18 Elements: Overview
This topic covers concepts, such as, Atomic and Physical Properties of Noble Gases, Electronic Configuration of Noble Gases, Group 18: Noble Gases & Occurrence of Noble Gases etc.
Important Questions on General Introduction of Group 18 Elements
Assertion. Noble gases have the largest atomic radii in their respective periods.
Reason. On moving from left to right in the periodic table the effective nuclear charge increases.
Noble gases have the largest atomic radii in their respective periods. Explain
Which of the following has the largest atomic radii?
Noble gases have the largest atomic radii in their respective periods.
Which of the following is correct about compound (Atomic number )?
Ionisation enthalpy of molecular oxygen is very close to that of _____.
Write a short note on the occurrence of noble gases in atmosphere.
How is radon obtained from radium?
Explain the following :
Helium and neon do not form compounds with fluorine.
Assertion: The majority of noble gas compounds are those of xenon .
Reason: Xenon has the lowest ionization enthalpy and can be easily oxidized by oxidizing agents like oxygen and fluorine
Which is the most abundant noble gas?
Write the nuclear reaction which produces a radioactive inert gas.
Define the following term.
Inert gases
_____ is not an inert gas.
Name the elements of group
Why do noble gases have comparatively large atomic sizes?
Why has it been difficult to study the chemistry of radon ?
Arrange the following atoms based on their liquefaction factor in decreasing order.
Match the following columns:
| Column I | Column II | ||
|---|---|---|---|
| (i) | Noble gases | (a) | |
| (ii) | Transition elements | (b) | |
| (iii) | Chalcogens | (c) | |
| (iv) | Halogens | (d) |
Which one of the following noble gas is obtained by radioactive disintegration?
