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प्रश्न
Right or wrong sentence.
All the elements in the halogen family are gases.
पर्याय
Right
Wrong
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उत्तर
The given sentence is wrong.
Explanation:
Not all halogens are gases at room temperature; fluorine (F2) and chlorine (C12) are gases, bromine (Br2) is a liquid, and iodine (I2) is a solid.
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संबंधित प्रश्न
What is the common name of this group or family?
How does the chemical reactivity of:
halogens vary?
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.
Why group 17 elements are highly reactive?
What is the name given to group 17 elements? Why are they called so?
Arrange the following:
Elements of group 17, in decreasing order of reactivity
______ is in liquid form in the halogen family.
Find the correlation:
Cl : halogen group : : Ar : _______
Find the correlation:
Iodine : solid : : bromine : _______
Write the name.
A halogen from period 4.
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.
An element X belongs to 3rd period and 17th group, state
- no. of valence electrons in it.
- name of the element.
- name the family to which it belongs.
- write the formula of the compound formed when X reacts with \[\ce{^{27}_{13}Y}\]
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?
