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प्रश्न
Which of the following properties do not match with elements of the halogen family?
पर्याय
They have seven electrons in their valence shell.
They are highly reactive chemically.
They are metallic in nature.
They are diatomic in their molecular form.
उत्तर
They are metallic in nature.
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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 reactive nonmetal.
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
Cl : halogen group : : Ar : _______
All the elements in the halogen family are gases.
Complete the correlation:
Group 1 : Alkali metals : : ______ : Halogens.
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?
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?
