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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
If an element is in Group 17, it is likely to be ______ (metallic/non-metallic) in character, while with one electron in its outermost energy level (shell), then it is likely to be ______ (metallic/non-metallic).
Write the name and symbol of the element from the description.
The most electronegative atom.
Why group 17 elements are highly reactive?
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
Complete the correlation:
Group 1 : Alkali metals : : ______ : Halogens.
Identify the following:
A reaction in which the hydrogen of an alkane is replaced by a halogen.
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.
An element X belongs to 3rd period and 17th group, state the name of the element.
Fluorine, chlorine and Bromine are put in one group on the basis of their similar properties.
What is the common name of this group or family?
