Answer:
B
Explanation:
Noble gases are in group 18 (neon, argon, etc)
Answer:
Sorry I do not know the answer but I do know its not c (pressure)
Explanation:
I took a quiz with that question and I got it wrong my other guess is air density though
Mole represents the a huge Avogadro number (way larger than atom), so we can eliminate option A and D.
And we know that Mercury is a solid , which mean it has greater mass than chlorine
So the answer is : B. 1.0 mol mercury (Hg) Atom
