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प्रश्न
Write the name.
A halogen from period 4.
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उत्तर
A halogen from period 4- Bromine (Br)
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संबंधित प्रश्न
What is the common name of this group or family?
How does the chemical reactivity of:
halogens vary?
Write the name and symbol of the element from the description.
The most reactive nonmetal.
Write the name from the description.
The family of nonmetals having valency one.
The halogen which is liquid at room temperature is ..................
Which of the following properties do not match with elements of the halogen family?
What is the name given to group 17 elements? Why are they called so?
Arrange the following:
Elements of group 17, in decreasing order of reactivity
_______ is in liquid form in the halogen family.
Cl : halogen group : : Ar : _______
Iodine : solid : : bromine : _______
All the elements in the halogen family are gases.
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.
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?
