Question

in which group of the modern periodic table are halogen placed

Answer 1

 In the modern perodic table Halogens are placed in 17 group.

Answer 2

In the modern periodic table, halogens are placed in the 17th group.

Discuss:

• In the modern periodic table, there are 18 groups and 7 periods.

• In the first group, we have alkali metals like Li, Na, K, etc.

• In the second group, we have alkaline earth metals such as Be, Ca, Mg, etc.

• In the 18th- a group we have noble gases like He, Ne, ar, etc.

• the halogen group elements are placed in the 17 groups. Some examples are fluorine, chlorine, bromine, etc.

• Halogen group elements have 7 electrons in their valence shell so they are highly reactive non-metals.

Thus, halogens are placed in the 17th group of the periodic table.

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