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प्रश्न
Write the name and symbol of the element from the description.
The most reactive nonmetal.
Write the name:
Highest reactive nonmetal.
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उत्तर
Fluorine (F)
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संबंधित प्रश्न
Write the name and symbol of the element from the description.
The most electronegative atom.
Write the name from the description.
The family of nonmetals having valency one.
The halogen which is liquid at room temperature is ..................
Why group 17 elements are highly reactive?
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:
Cl : halogen group : : Ar : _______
Write the name.
A halogen from period 4.
Fluorine, chlorine and Bromine are put in one group on the basis of their similar properties.
What are those similar properties?
An element X belongs to 3rd period and 17th group, state the no. of valence electrons in it.
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?
