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प्रश्न
Arrange the following:
Elements of group 17, in decreasing order of reactivity
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उत्तर
F > Cl > Br > I
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संबंधित प्रश्न
Write the name and symbol of the element from the description.
The most electronegative atom.
Write the name and symbol of the element from the description.
The most reactive nonmetal.
Write the name from the description.
The family of nonmetals having valency one.
The halogen which is liquid at room temperature is ..................
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
The number of electrons in the valence shell of a halogen is ______.
Fluorine, chlorine and Bromine are put in one group on the basis of their similar properties.
What are those similar properties?
An element X belongs to 3rd period and 17th group, state the no. of valence electrons in it.
An element X belongs to the 3rd period and 17th group, state the name of the family to which it belongs.
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?
