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प्रश्न
Arrange the following:
Elements of group 17, in decreasing order of reactivity
उत्तर
F > Cl > Br > I
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संबंधित प्रश्न
What is the common name of this group or family?
Write the name from the description.
The family of nonmetals having valency one.
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
All the elements in the halogen family are gases.
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 the 3rd period and 17th group, state the name of the family to which it belongs.
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?
