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Q. |
An element with an atomic number of 17 is - |
A. | an alkali metal |
B. | a rare gas |
C. | a halogen gas |
D. | a transition metal |
Answer» C. a halogen gas | |
Explanation: Chlorine has atomic number of 17. It is a halogen gas along with fluorine (F), bromine (Br), iodine (I), and astatine (At). |
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