Question

write two properties of halogens.​

Answer 1

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.

• They all form acids when combined with hydrogen.
• They all form acids when combined with hydrogen.They are all fairly toxic.