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प्रश्न
Write the name.
A halogen from period 4.
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 electronegative atom.
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?
Why group 17 elements are highly reactive?
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
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.
Cl : halogen group : : Ar : _______
All the elements in the halogen family are gases.
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 ______.
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?
