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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?
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उत्तर
Element of group 17 or 7A has 7 electrons in valence shell hence non-metal.
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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 electronegative atom.
The halogen which is liquid at room temperature is ..................
______ is in liquid form in the halogen family.
Right or wrong sentence.
All the elements in the halogen family are gases.
Complete the correlation:
Group 1 : Alkali metals : : ______ : Halogens.
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.
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?
