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प्रश्न
What is the name given to group 17 elements? Why are they called so?
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उत्तर
Group 17 elements are called halogens. The name halogens are from Greek halo (sea salt) and gens (producing, forming) and thus means 'sea salt former'.
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संबंधित प्रश्न
What is the common name of this group or family?
Write the name and symbol of the element from the description.
The most reactive nonmetal.
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The family of nonmetals having valency one.
Arrange the following:
Elements of group 17, in decreasing order of reactivity
Cl : halogen group : : Ar : _______
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A halogen from period 4.
Complete the correlation:
Group 1 : Alkali metals : : ______ : Halogens.
The number of electrons in the valence shell of a halogen is ______.
An element X belongs to 3rd period and 17th group, state the no. of valence electrons in it.
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