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Question
If an element is in Group 17 [or Group 7A] is it likely to be metallic or non- metallic in character?
Solution
Element of group 17 or 7A has 7 electrons in valence shell hence non-metal.
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RELATED QUESTIONS
How does the chemical reactivity of:
halogens vary?
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
Cl : halogen group : : Ar : _______
Iodine : solid : : bromine : _______
Complete the correlation:
Group 1 : Alkali metals : : ______ : Halogens.
Fluorine, chlorine and Bromine are put in one group on the basis of their similar properties.
What are those similar properties?
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?
