Plz help asap Choose all the answers that apply.

The elements in group 18 .

are highly reactive
are gases at room temperature
usually do not react with other elements
are in a group called the noble gases
are nonmetals

why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.