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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?
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.
Write the name and symbol of the element from the description.
The most reactive nonmetal.
The halogen which is liquid at room temperature is ..................
Which of the following properties do not match with elements of the halogen family?
Why group 17 elements are highly reactive?
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
_______ is in liquid form in the halogen family.
All the elements in the halogen family are gases.
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 3rd period and 17th group, state the name of the element.
This question refers to the elements of the periodic table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| A | B | C | D | E | F | G | H |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| I | J | K | L | M | N | O | P |
Which of these is a halogen?
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?
