Question

Which of the following element is a halogen?
a) He
b) Na
c) Mg
d) F
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Answer 1

Explanation:

Flourine is a halogen from these options.... Helium is a noble gas... Sodium is a Alkali metal and Magnesium is a an alkaline earth metal.

Answer 2

Answer:

The correct option is d) F

It is so because fluorine (F) ,chlorine (Cl),iodine (I) and bromine (Br) fall under category of halogen but only F is present in the option