Advertisements
Advertisements
प्रश्न
Write the name from the description.
The family of nonmetals having valency one.
Advertisements
उत्तर
The family of nonmetals having valency one = Halogens
APPEARS IN
संबंधित प्रश्न
What is the common name of this group or family?
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 and symbol of the element from the description.
The most reactive nonmetal.
The halogen which is liquid at room temperature is ..................
Why group 17 elements are highly reactive?
What is the name given to group 17 elements? Why are they called so?
______ is in liquid form in the halogen family.
Find the correlation:
Iodine : solid : : bromine : _______
Write the name.
A halogen from period 4.
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
- no. of valence electrons in it.
- name of the element.
- name the family to which it belongs.
- write the formula of the compound formed when X reacts with \[\ce{^{27}_{13}Y}\]
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 \[\ce{_13^27Y}\].
