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प्रश्न
Write the name from the description.
The family of nonmetals having valency one.
उत्तर
The family of nonmetals having valency one = Halogens
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संबंधित प्रश्न
How does the chemical reactivity of:
halogens vary?
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?
_______ is in liquid form in the halogen family.
Iodine : solid : : bromine : _______
Write the name.
A halogen from period 4.
All the elements in the halogen family are gases.
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 \[\ce{_13^27Y}\].
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?
