Question

Which of the following is not true about noble gasses?

a. They are generally unreactive
b. They are all metals
c. They all have full outer energy levels
d. They are all gasses

Answer 1

Noble gases are generally unreactive, have full outer energy levels, and are all gases at room temperature. The statement that they are all metals is not true.

Step-by-step explanation:

Option b: They are all metals is not true about noble gases. Noble gases are generally unreactive, and their outer energy levels are full, which makes them stable and less likely to form bonds with other elements. Additionally, noble gases are all gases at room temperature.

Learn more about Noble gases