Question

What are the charecteristics of halogens

Answer 1

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• They all form acids when combined with hydrogen.

• They are all fairly toxic.

• They readily combine with metals to form salts.

• They have seven valence electrons in their outer shell.

• They are highly reactive and electronegative

Answer 2

Answer: Halogens are highly reactive, and they can be harmful or lethal to biological organisms in sufficient quantities. This reactivity is due to high electronegativity and high effective nuclear charge. Halogens can gain an electron by reacting with atoms of other elements. Fluorine is one of the most reactive elements.

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