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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
How does the chemical reactivity of:
halogens vary?
Write the name and symbol of the element from the description.
The most electronegative atom.
The halogen which is liquid at room temperature is ..................
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.
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?
