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प्रश्न
Write the name from the description.
The family of nonmetals having valency one.
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उत्तर
The family of nonmetals having valency one = Halogens
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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 electronegative atom.
Write the name and symbol of the element from the description.
The most reactive nonmetal.
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?
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
Iodine : solid : : bromine : _______
Write the name.
A halogen from period 4.
All the elements in the halogen family are gases.
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 ______.
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.
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?
