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प्रश्न
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
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उत्तर
Element of group 17 or 7A has 7 electrons in valence shell hence non-metal.
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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 and symbol of the element from the description.
The most electronegative atom.
The halogen which is liquid at room temperature is ..................
Arrange the following:
Elements of group 17, in decreasing order of reactivity
Find the correlation:
Cl : halogen group : : Ar : _______
Write the name.
A halogen from period 4.
Complete the correlation:
Group 1 : Alkali metals : : ______ : Halogens.
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, write the formula of the compound formed when X reacts with \[\ce{_13^27Y}\].
