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प्रश्न
Write the name and symbol of the element from the description.
The most reactive nonmetal.
Highest reactive nonmetal.
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उत्तर
Fluorine (F)
संबंधित प्रश्न
How does the chemical reactivity of:
halogens vary?
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 from the description.
The family of nonmetals having valency one.
Which of the following properties do not match with elements of the halogen family?
Why group 17 elements are highly reactive?
What is the name given to group 17 elements? Why are they called so?
Arrange the following:
Elements of group 17, in decreasing order of reactivity
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
Cl : halogen group : : Ar : _______
Iodine : solid : : bromine : _______
Write the name.
A halogen from period 4.
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 the 3rd period and 17th group, write the formula of the compound formed when X reacts with \[\ce{_13^27Y}\].
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?
