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प्रश्न
Arrange the following:
Elements of group 17, in decreasing order of reactivity
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उत्तर
F > Cl > Br > I
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संबंधित प्रश्न
If an element is in Group 17, it is likely to be ______ (metallic/non-metallic) in character, while with one electron in its outermost energy level (shell), then it is likely to be ______ (metallic/non-metallic).
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.
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?
______ is in liquid form in the halogen family.
Find the correlation:
Iodine : solid : : bromine : _______
Complete the correlation:
Group 1 : Alkali metals : : ______ : Halogens.
An element X belongs to 3rd period and 17th group, state the name of the element.
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?
