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प्रश्न
Write a short note on the following type of element –
halogens
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उत्तर
Elements of groups 17 (F, Cl, Br, I, At.) are called Halogens as they react with water to form acids.
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
What is meant in the periodic table by a group?
What are the following group known as?
Group 18
How many electrons do inert gases have in their valence shells?
Name the gas used in:
Light bulbs
Give reason:
Alkali metals are kept in an inert solvent.
Write a short note on the following type of element –
alkaline earth metals
Select the correct answer from the options given below.
The most reactive halogen from group 17.
State the following:
The group whose elements are unreactive or inert.
