What is the number of the group that has the most reactive nonmetals (give number and letter- Ex 1A, 2A, etc.)?
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Ответ:
Group 7A
Explanation:
The group 7A elements consists of the most reactive non-metals on the periodic table.
This group is known as the group of halogens. They consist of element fluorine, chlorine, bromine, iodine and astatine.
The elements in this group have the highest electronegativity values. They have 7 valence electrons and requires just one electron to complete their octets. This way, they are highly reactive in their search for that single electron.Ответ:
If I'm correct the answer is C. Stay a gas but my gut is telling me the answer is B. turn to a liquid