iron, lead, gold, aluminum, platinum, uranium, zinc, lithium, sodium, tin, silver, etc
Answer:Noble gases:
are highly reactive.
react only with other gases.
do not appear in the periodic table.
are not very reactive with other elements.
Explanation:Noble gases:
are highly reactive.
react only with other gases.
do not appear in the periodic table.
are not very reactive with other elements.
I would say chemical but I’m not 100% sure might wanna get a second opinion
3rd one sorry if it’s wrong
I think it might be Nitrogen dioxide, but please check behind