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प्रश्न
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
उत्तर
Element of group 17 or 7A has 7 electrons in valence shell hence non-metal.
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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.
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.
Arrange the following:
Elements of group 17, in decreasing order of reactivity
Iodine : solid : : bromine : _______
Write the name.
A halogen from period 4.
An element X belongs to 3rd period and 17th group, state the name of the element.
An element X belongs to the 3rd period and 17th group, write the formula of the compound formed when X reacts with \[\ce{_13^27Y}\].
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?
