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प्रश्न
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?
उत्तर
The common name of this group is the halogen group.
संबंधित प्रश्न
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?
Cl : halogen group : : Ar : _______
Write the name.
A halogen from period 4.
Complete the correlation:
Group 1 : Alkali metals : : ______ : Halogens.
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 ______.
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?
